Under the action of a force, a 2 kg body moves such that itsposition x as a function of timet is given by x =where x3is in metre andt in second. The work done by the force inthe first two seconds is(a) 1600 J(c) 16 J(b) 160 J(d) 1.6 J

Work done is defined as the product of magnitude of displacement d and the component of force in the…

der the action of a force, a 2 kg body moves such that its t3 where x 3 position x as a function of timet is given by x = s in metre andt in second. The work done by the force in he first two seconds is a) 1600 J c) 16 J (b) 160 J (d) 1.6 J

der the action of a force, a 2 kg body moves such that its t3 where x 3 position x as a function of timet is given by x = s in metre andt in second. The work done by the force in he first two seconds is a) 1600 J c) 16 J (b) 160 J (d) 1.6 J

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter7: Energy Of A System

Section: Chapter Questions

Problem 7.11P: A force F = (6i 2j) N acts on a panicle that under-goes a displacement r = (3i + j) m. Find (a) the...

See similar textbooks

Related questions

Q: A capacitor is composed of 2 plates separated by a sheet of insulating material 2mm thick and of rel...

A: Calculate the original capacitance.

Q: 5. Is the sum of the magnitudes of two vectors always equal to the magnitude of the sum of the same ...

Q: 5. Find the relative permittivity ɛr of the dielectric material present in a parallel-plate capacito...

Q: Two vectors of magnitude 3 units and 5 units are drawn from a common point with the angle 60° betwee...

A: GivenMagnitude of vector A is A=3unitMagnitude of vector B is B=5unitAngle between vector A and vect...

Q: Which of the following graph shows an object's velocity is changing and accelerating? A time B time ...

A: From equation of motion V = u + at S= ut + 12at2 v2 =u2 +2as

Q: The standard value for the specific heat of aluminum is 0.9 J/g K. Four students gathered and comput...

A: Specific heat capacity of aluminium =0.9j/kg

Q: Look at the velocity-time graph given. During which interval or intervals is the train’s accelerat...

Q: A stone is thrown straight up. When it reaches its highest point, Both its velocity and accelerat...

Q: #1: High voltage power lines are not covered with an insulating outer cover. A) What is the reasoni...

A: Solution: A) The high voltage power lines carry large quantities of electricity. The plastic coated ...

Q: A student throws a ball from Sandalwoods roof, 28 m above the ground. She horizontally projects a ba...

Q: 15. If the RWL is at 25kg, what should be the weight of the load to reduce the lifting index into 0....

Q: What is the least count? Unit : inch Vernier S cale 5 10 15 20, 25 in. 123 4 5 67 8 9 i23 4 5 678 9 ...

Q: A 52.4-kg skydiver reaches a terminal speed of 63.3 m/s with her parachute undeployed. Suppose the d...

A: Given : mass of skydiver, m = 52.4 kg Terminal speed, v = 63.3 m/s2 Fdrag = kv2 Acceleration due t...

Q: Question 1: A snowboarder starts from rest at the top of a double black diamond hill. As she rides d...

Q: The figure shows a circular surface of radius 2 m immersed in a uniform electric field of magnitude ...

A: Given: The radius of the circular surface is 2 m. The angle between areal vector and electric field ...

Q: Part A For what emf Ɛ does the 200 N resistor in the following figure dissipate no power if AV = 150...

Q: following statements is true in this case? A The vertical component of the velocity changes sign aft...

Q: When the capacitance is 5.0 x 10^−10F, the capacitor is charged by a battery of emf 200 V. What is ...

A: Given data: Capacitance (C) = 5.0×10-10 F Battery emf (V) = 200 V Required: Charge (q)

Q: A uniform, 100-N pipe is used as lever, as shown. Where must the fulcrum ( the support point) be pla...

Q: A 0.607 kg book is lifted from the floor and placed on a shelf 1.94 m high. What is the increase in ...

Q: 4.00 kN R3 R2 3.00 kN 2.00 kN R1 ) the current in each resistor shown in the figure above = 0.28 '1 ...

Q: ged capacito and a resistor are connected in series to a urce of emi. Il G the Tollowing. (a) the ti...

Q: 4) Linearize the following equations (rearranged in the form y = mx + c): a) F = uN, where F is the ...

A: Ques linearize the following equation y=mx+c here, y: dependent variable x: independent variable m: ...

Q: Define inertia.

A: Inertia comes from the Latin word, iners, meaning idle, sluggish. Isaac Newton defined inertia as a...

Q: Two point charges of 2 nC and a 5 nC are 10 micro-meters apart. A third point charge of 6.2 nC is pl...

Q: A thermodynamic system undergoes a process in which its internal energy decreases by 460 J. Over the...

A: Given data :- Decrease in internal energy ∆U = -460 J Work done on the system W = -204 J

Q: A cannon shoots a cannonball out at a 60-degree angle. The trajectory that the cannonball takes is i...

A: Given Information:- Initially the cannon ball is thrown at an angle θ1=60° Later the cannon ball is ...

Q: Q4)Use the graph below to answer questions the following questions a) What is the displacement of th...

Q: A small ferryboat is 4.30 m wide and 5.50 m long. When loaded truck pulls onto it, the boạt sinks an...

Q: 2. A platinum bar increases in length by 0.2% when its temperature increases to 222°C. a. Draw the f...

Q: A car moves 150.0 m at a 63° "north of east" (this simply means 63° from the + x-axis. It stays at r...

Q: Who do you agree with? Anita: "A projectile's vx changes because of gravity, and its vy remains cons...

Q: The components of vectors A and B* are given as follows: Ax = 5.1 Bx = -2.6 Ay = -5 By = -4.3 What i...

Q: 1) During lightning strikes from a cloud to the ground, currents as high as 25,000 A can occur and l...

Q: A charge Q exerts a 18 N force on another charge q. If the distance between the charges is tripled, ...

Q: A projectile was launched at a tower with a velocity of 30 m/s and an inclination of 40° from the ho...

Q: An electron is placed in a uniform electric field of 25nN/C directed north created by two horizontal...

Q: Refer to the figure below. Identify the part of vernier caliper. O 10 20 30 43 50 60 70 B0 99 100 11...

A: Correct option is (B). In given figure it is a depth rod for measuring depths.

Q: Problem 2. A piece of material with a square cross-section measuring 1 mm on each side has a length ...

A: Given data: The side of square piece is a=1 mm. The length of piece is L=1 m. The applied voltage is...

Q: Gravitational Potential Energy. In TWICE TV2, Dahyun (mass 48.9 kg), Jeongyeon (mass = 49.1 kg), and...

A: Given information: The mass of the the staff: m1=48.9 kgm2=49.1 kgm3=46 kg Mass of the car (M) = 120...

Q: A cannon shoots a cannonball out at a 60-degree angle. The trajectory that the cannonball takes is i...

A: Initial fired at angle 60° Let the initial velocity of projectile be u

Q: Ry << R2 R2 (not to scale) A thin spherical shell made of plastic carries a uniformly distributed ne...

Q: If the Earth shrank to one-half its present radius, but kept its mass constant, what effect would th...

A: Acceleration due to gravity on earths surface, g0=GMR2

Q: A woman starts to swim directly across a 4.0-km-wide river. Her speed with respect to the water is 2...

A: Given data: Width of river, s = 4 km = 4000m Woman speed, v1 = 2.3 m/s River speed, v2 = 0.91 m/s ...

Q: How do I solve this problem properly in a step by step solution?

A: Given Density = 0.01932 kg/cm3 = 0.01932 × 106 kg/m3 = 1.932 ×104 kg/m3 Mass = 3.54 g = 3.54 ×...

Q: An object of unknown mass is tied to a string and undergoes uniform circular mo The object travels a...

A: We know that when a mass of m is tied to a string and undergoes a uniform circular motion, the centr...

Q: A cannon shoots a cannonball out at a 60-degree angle. The trajectory that the cannonball takes is i...

A: The range of a projectile motion is given by the formula... R = u2sin(2θ)gWhereR = Rangeu = Initial...

Q: A positive + 4mC charge is located 0.20 m to the left of a +6.0 mC What is the magnitude and directi...

A: Given: The charges are 4 mC and 6 mC. The separation between charges is 0.2 m.

Q: Look at the velocity-time graph given. 12 ... 10 v (m/s) 4 10 20 30 40 t (s) iii. 15-20 seconds i. 0...

Q: What is the difference between the pressure at the two sections? Water flows thiough a horizonial pi...

A: Apply Bernoulli’s equation between section A and section B. Here, ρ is the density of the water.

Question

Under the action of a force, a 2 kg body moves such that its
position x as a function of timet is given by x =
where x
3
is in metre andt in second. The work done by the force in
the first two seconds is
(a) 1600 J
(c) 16 J
(b) 160 J
(d) 1.6 J

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Describe a situation in 4iich a force is exerted for a long time but does no work. Explain.
A 5.0-kg box has an acceleration of 2.0m/s2 when it is pulled by a horizontal force across a surface with K=0.50 . Find the work done over a distance of 10 cm by (a) the horizontal force, (b) the frictional force, and (c) the net force. (d) What is the change in kinetic energy of the box?
A particle of mass 2.0 kg moves under the influence of the force F(x)=(5x2=7x)N . Suppose a frictional force also acts on the particle. If the particle’s speed when it starts at x=4.0 m is 0.0 m/s and when it arrives at x=4.0 m is 9.0 m/s, how much work is done on it by the frictional force between x=4.0 m and x=4.0 m?
Calculate the power output needed for a 950-kg car to climb a 2.00 slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N.
Engineers desire to model the magnitude of the elastic force of a bungee cord using the equation F(x)=a[x+9m9m( 9m x+9m)2] , where x is the stretch of the cord along its length and a is a constant. If it takes 22.0 kJ of work to stretch the cord by 16.7 m, determine the value of the constant a .
Two forces act to double the speed of a particle, initially moving with kinetic energy of 1 J. One of the forces does 4 J of work. How much work does the other force do?
A force F = (6i 2j) N acts on a panicle that under-goes a displacement r = (3i + j) m. Find (a) the work done by the force on the particle and (b) the angle between F and r.
Check Your Understanding Estimate the power expended by a weightlifter raising a 150-kg barbell 2 m in 3 s.
Suppose that the sled plus passenger of the preceding problem is pushed 20 m across the snow at constant velocity by a force directed 30 below the horizontal. Calculate (a) the work of the applied force, (b) the work of fiction, and (c) the total work.
If the net work done by external forces on a particle is zero, which of the following statements about the particle must be true? (a) Its velocity is zero. (b) Its velocity is decreased. (c) Its velocity is unchanged. (d) Its speed is unchanged. (e) More information is needed.
A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. What is its average power output in watts and horsepower if this takes 7.30s?
A 200-g steel ball is tied to a 2.00m “massless” string and hung from the ceiling to make a pendulum, and then, the ball is brought to a position making a 30 angle with the vertical direction and released from rest. Ignoring the effects of the air resistance, find the speed of the ball when the string (a) is vertically down, (b) makes an angle of 20 with the vertical and (c) makes an angle of 10 with the vertical.