5. A crate with a mass of 30 kg rests on a floor. On top of the crate stands a 45-kg girl. What is the normalforce exerted on the crate by the floor? [Ans6. A person stens hosinontay off the Tool of a single-story house that is 3.1 m high. When his feet hit thehis knees alto aOEL OYCT this distance?ston

Answered: Image /qna-images/answer/c061368d-bf9a-4895-8665-c201d38428bb.jpg

Answered: 5. A crate with a mass of 30 kg rests…

5. A crate with a mass of 30 kg rests on a floor. On top of the crate stands a 45-kg girl. What is the normal force exerted on the crate by the floor? [Ans D Deadn am I SLÁ asnsod S

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 63AP: A person doing a chin-up weighs 700 N, exclusive of the arms. During the first 25.0 cm of the lift,...

See similar textbooks

Related questions

Q: A negative charge of -200 micro coulomb and a positive charge of 800 micro coulomb are separated by...

A: Given charge(q1)=-200μC charge(q2)=800μC distance between the charges (r)=0.3 m Required force betw...

Q: potential

Q: You bring a negatively charged object close to the top of an electroscope (without touching it), and...

Q: Three kids in a parking lot launch a rocket that rises into the air along a 380-m long arc in 40 s. ...

A: Given: Total distance = 380 m Total time = 40 s

Q: 1: A car accelerates at a constant rate of 3 m.s?, calculate: • The time taken to accelerate from 20...

Q: What is the efficiency of a steam engine with a heat input of 1000 K and a steam output of 400 K?

Q: What is the buoyant force acting on a submerged (though suspended) brick of volume 0.06m ^ 3 The bri...

A: Given data: Volume of brick (V) = 0.06 m3 Weight density of syrup (ρg) = 13426 N/m3 Required: The bu...

Q: Given data: Voltage=D12 Volt Reistance=4 ohm Determine current

A: Given data : Voltage=V Resistance=R To find : Current

Q: Why charged plastic comb can attract neutral pieces of paper?

A: When we rubbed plastic comb on hair then plastic comb gets negatively charged or acquire electron...

Q: What is |λ|? A very long wire carries a uniform linear charge density λ. Using a voltmeter to m...

Q: A1/ For the shape below, the Resultant of three forces (200N, F1 and F2) is 600N: (a) the force F1 i...

Q: The voltages V1, V2, V3, and v4 are the node voltages corresponding to nodes 1, 2, 3, and 4 in the b...

Q: Part A Consider the circuit shown in (Figure 1). The batteries have emfs of E, = 9.0 V and Ez = 12.0...

A: E1 = 9 V E2 = 12 V R1 = 28 ohm R2 = 67 ohm R3 = 33 ohm

Q: A ball is thrown vertically upward with a velocity of 80ft/s. Two seconds later a second ball is pro...

A: Let the time taken by the first ball be t. So, the time taken by the second ball is t-2. Apply the s...

Q: The next few questions challenge you to figure out the acceleration due to gravity ( g ) on various ...

A: Given data: The displacement of the stone is s = 63.8 m The time taken by the stone to hit the grou...

Q: A 12.6 V source of emf does 12.6 joules of on each coulomb of that passes through it. O Work, Charge...

A: When a charge q moves from one point to another point and the potential difference between this two ...

Q: Which of the following symbols is correctly labeled? a. battery b. resistor C. wire d. HG capacitor

Q: rt 1 of 5) A string of 27 identical Christmas tree lights are connected in series to a 120 V source...

A: Part1 Voltage applied =120v 27 identical Christmas tree Power dissipated =67 W P=V2R R=v2p R=214.93Ω...

Q: Given data : Resistance%-D4 Ohm Current =2 A Determine Voltage

Q: You are studying the strength of transparent aluminum tanks to bring some blue whales from past eart...

A: Given: Initial pressure, P1 = 0.80 atm Initial number of CO2, n1=28.00 moles Final pressure, P2 = 0....

Q: An electron moving along the x axis has a position given by x = 15te-5t m, where t is in seconds. Ho...

Q: Activity 2: Solve for all unknown values: CT, QT, Q1, Q2, Q3, V1, V2, and V3 in the connection provi...

A: All values given in circuit.

Q: Consider two charges q = 25 e and q2 = 45 e at positions (32, –11, 38) and (, , 30) respectively whe...

Q: An arrow is launched horizontally from a bow. The arrow Is accelerated from rest to 21.0m/s over a d...

Q: Explain Birth of the earth in light of Big Bang Q.3. theory.

A: The Big Bang theory explains the origin of the universe.But not the origin of earth. We know that t...

Q: Given data: Mass of ball=4 kg Velocity of ball =2.8 m/s Determine kinetic energy

A: Given data : Mass of ball=m Velocity of ball=V To find : Kinetic energy

Q: Consider a series combination of 2 resistances. 25 Ω 30 Ω What is the equivalent resistance? 1. 5...

Q: A sinusoidal sound wave moves tHrough a medium and is described by the displacement wave function s(...

Q: A particle is thrown horizontally with an initial speed of magnitude 114 m/s from a point 1.16 m abo...

A: Initial horizontal velocity (u) = 114 msinitial height (ho) = 1.16 m horizontal distance (d) = 43.1 ...

Q: Two small plastic spheres are given positive electrical charges. When they are 15.0 cm apart, the re...

Q: CONCAVE CONVEX f

Q: Calculate the magnitude and direction of the electric field (a) 0.40 m from a charge of +1.0  10 -3...

Q: Using magnetic confinement, one particle is restrained to levitate over another. What is this separa...

A: In this question we have to find the separation when the particles are two electrons. Please give po...

Q: Questions: 1 How do seatbelts minimize the momentum of passengers in car crashes? 2 When do we say t...

A: Answer:- Answer (1) When a car is moving with a high velocity it's momentum is also high and the pe...

Q: A point mass moving on a vertical line has an acceleration given by the equation a = 10t – 3. At t =...

Q: What is the burning duration of a 1.5 meter diameter gasoline pool fire with a volume of 0.045 m3?

Q: A human body has a temperature of 300 If its total surface area is 1.2 m2, what is the net rate of h...

A: Given, Temperature of the body, Tb = 30 °Ctotal surface area of body, A = 1.2 m2surrounding temperat...

Q: A particle describes an UCM(uniform circular motion) with period 0.500 s and circle centered at the ...

Q: 200V B. Find the equivalent capacitance between A and B of the arrangement of capacitors shown below...

A: 23) C1 = 3 μF C2 = 2 μF C3 = 6 μF C4 = 5 μF C5 = 45 μF C6 = 2 μF

Q: charges Q1= -2C and Q2= -2C are at the two vertices of an equilateral triangle, having a side length...

A: Electric field due to piont charge E =kq /r2 If two or more than two electric field acts at a poi...

Q: Suppose a rifle fires a bullet horizontally 100 meters from a target, and the bullet drops into the ...

Q: Andy is driving his car with velocity of 80m/s.He steps on his brake to reduce the velocity of the c...

Q: A lump of clay of mass 0.28 kg is dropped from a height of 10.8 m. The clay comes to a full stop 0....

A: mass of lump of clay (m) = 0.28 kg initial height (h) = 10.8 mInitial velocity (u) = 0 ms

Q: Guide Questions: 1. Compare the noise created by the object dropped from 20 cm above and the created...

Q: Three charges line vertically respectively (38 ) (-55) (-31). and is separated by while (27) and is ...

Q: 19.42 • A thermodynamic sys- tem is taken from state a to state Figure P19.42 c in Fig. P19.42 along...

Q: 11. In given situation frictional force for the surfaces is :- F=60N 30° u=0.5 6kg (1) 30 N (2) 15 N...

A: Given value--- mu = 0.5 . m = 6 kg. angle = 30 degree. force = 60 N. We have to find--- Friction ...

Q: Create a question about a foam ball experiencing 224 newtons of force that uses Newton's Third Law o...

A: given : A foam ball experiences 224 Newtons of force to create : a question which involves a foam ...

Q: Using the diagram below, find the total resistance in the circuit. 42.5 n 6.8n 102 1 k2

Q: In the SI system of units, one coulomb (1 C) is defined to be the charge that passes a point every s...

A: Given, I = 2 A t = 5 min = 300 seconds

Question

5. A crate with a mass of 30 kg rests on a floor. On top of the crate stands a 45-kg girl. What is the normal
force exerted on the crate by the floor? [Ans
6. A person stens hosinontay off the Tool of a single-story house that is 3.1 m high. When his feet hit the
his knees al
to a
OEL OYCT this distance?
ston

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 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

22 A basketballwich can be madeled os a thin apheri.col shell, has codius of 0.15 m, If the baste tball is Slling aithout. a mass s f 0.250 kg and a sliding diross a horzontal Lloor at 4.25 mis Sdetermine d Ro to tional He kine tic Pinergy of the bastet ball.
A stone w/ mass 40 kg SHS at bottom of bucket. A String of length .om is attached to bucket and the whole thong maes m crces/ sped 4,6 mLS. What os the magnitude af the force the Stone Caerts n the buket at the lasest pant of trajectory?
A 90-kg football player jumps vertically into the air to catch a 0.50-kg football that is thrown essentially horizontally at him at 17 m/s. What is his horizontal speed after catching the ball?
Why can a squirrel from a tree branch to the ground and run away undamaged, while a human could break a bone in such a fall?
A person doing a chin-up weighs 700 N, exclusive of the arms. During the first 25.0 cm of the lift, each arm exerts an upward force of 355 N on the torso. If the upward movement starts from rest, what is the persons velocity at that point?
Check Your Understanding Suppose that Balto in Example 2.10 leaves the game to attend to more important matter, but Astro Clifford and Dug continue playing. Astro and Clifford’s pull on the toy does not change, but Dug rims around and bites on the toy in a different place. With how big a force and in what direction must Dug pull on the toy now to balance out the combined pulls from Clifford and Astro? Illustrate this situation by drawing a vector diagram indicating all forces involved.
Why can a squirrel jump from a tree branch to the ground and run away undamaged, while a human could break a in such a fall?
A person hits a tennis ball with a mass of 0.058 kg against a wall. The average component of the ball's velocity perpendicular to the wall is 11 m/s, and the ball hits the wall every 2.1 s on average, rebounding with the opposite perpendicular velocity component. (a) What is the average force exerted on the wall? (b) If the part of the wall the person hits has an area of 3.0 m2, what is the average pressure on that area?
As shown below, two identical springs, each with the spring constant 20 N/m, support a 15.0-N weight. (a) What is the tension in spring A? (b) What is the amount of stretch of spring A from the rest position?
Express your weight in newtons. From this determine your mass in kilograms.
Bbch A hes a mass of 7kp. Statıc ond khe tic M; =3,4 frictoa coefficients of He inclined surface ore 0.4 and o1, respectively a- Determine mnimuna 9 such thet block storts to sude when initrolly ot rest and released, b-Find its acceleration when it storts to slide O Sketch grophs. a Vo = 0 t い

A 2kg drone uses its propellers to exert 5N net force forward. What will the resulting acceleration of the drone be?