A 40.5 kg parachutist is moving straight downward with a speed of 3.70 m/s A) If the parachutist comes to rest with constant acceleration over a distance of 0.745 m , what force does the ground exert on her? B) If the parachutist comes to rest over a shorter distance, is the force exerted by the ground greater than, less than, or the same as in part A?

Q: A concrete block is pulled 4.7 m to the right across a smooth surface. The tension in the rope is 12...

A: Given data:  Distance (d) = 4.7 m Tension force (F) = 125.6 N Angle (θ) = 44.5° Required: The net wo...

Q: Based on the charge arrangement shown below, what would baraj say is the direction of force on the +...

A:

Q: a force F=(3x4-5) N acts on a body movin in 1D in x direction from the point x=0 to x=4 . find the ...

A:

Q: Consider a galaxy moving with speed of 6480 km per second away from us. If it is at distance 430 mil...

A:

Q: 3. Use your observations of the patterns to predict which light ray - A, B, C, or D-would be more ik...

A:

Q: 1. What is matter made of? 2. What are in between the particles? 3. Why do particles of matter mov...

A: Ans1. Matter is made up of Atom. Atom is made up of subatomic particles(electrons, protons and neutr...

Q: The system in the figure is in equilibrium. A concrete block of mass 186 kg hangs from the end of th...

A: Given: M=186 kgm=61.3 kgϕ=24.6°θ=51.2°

Q: A proton and an electron are 2.0 x 10-10 m apart. Calculate the magnitude of the electrostatic force...

A: GIVEN: charge of a proton, q1 = 1.6×10-19 C a proton and an electron are, r = 2.0×10-10 m  

Q: A   10 kg,    0.5 m  radius wheel rotates with an angular acceleration of  10 rad/s/s.  What is the ...

A: Given: Mass  of wheel, M=10 kg Radius of wheel, r=0.5 m Angular acceleration, α=10 rad/s2 To determi...

Q: A 259 g cart moves down a track that is inclined. There is friction You are given the data for the c...

A: The mass of the cart is 0.259 kg. 1) The change in kinetic energy is:

Q: In the given circuit diagram, what will be the reading of the ammeter,' when, (i) key K, is closed a...

A:

Q: 1.Show the particles of the following objects by drawing inside the picture. 2.The particle model o...

A: Solid particles are bound due to attractive forces among them and hence forms solids. Liquid particl...

Q: what values should be observe in the different continents of the country as a health care provider a...

A: Values should be observed as a health care provider are -- (i) Kindness  (ii) Caring  (iii) Good Com...

Q: 1. The electron with a charge of 1.60x10-19 C and proton with 1.60x10-19 C of a hydrogen atom are se...

A:

Q: A sight testing chart measuring 120 cm x 80 cm, the long dimension being the vertical one is to be v...

A: It doesn't matter how far the object is from the mirror.In order to see the full image size of mirro...

Q: Consider a resistor made of copper that you connect to a 12.0 V power supply in an oven where the te...

A:

Q: A letter A is constructed of a uniform wire of resistance 1 ohm per cm. The sides of the letter are ...

A: Given: resistance of wire = 1ohm/cmsides of A = 20cmcross piece in middle = 10cm

Q: A transverse wave in a string has the form y= 5.5 cos pi (0.08 x +9.0t), where x is in centimeters a...

A:

Q: In the figure, two 9.50 kg blocks are connected by a massless string over a pulley of radius 2.40 cm...

A: Answer:-  Given  Mass( m1) = 9.50 kg  Mass(m2) = 9.50 kg  Radius (r) = 2.40 cm = 2.4 × 10-2 m  Rotat...

Q: 7 6 5 3 2 4 6 8 10 12 14 time (ms) A mosquito has been annoying a student all night. The mosquito la...

A: The force versus time graph is given , in which the force is plotted along the vertical axis and the...

Q: At which point (or points) is the electric field zero N/C for the two point charges shown on the x a...

A: At which point (or points) is the electric field zero N/C for the two point charges shown on the x a...

Q: A student walks 2 km in 30 minutes. What is the student's average speed in km/hr?

A: Given data:  Distance (d) = 2 km Time (t) = 30 minutes Required: Average speed in km/hr

Q: A train is traveling with a speed of 15.0 m/s relative to Earth. A passenger standing at the rear of...

A:

Q: Haw.6 Two cars AtBmove ntersect at right angles tewards the intersection paint AL 25 mi/hr and 30 mi...

A:

Q: An energy source forces a constant current of 2 A for 10 s to flow through a light bulb. If 2.3 kJ i...

A:

Q: 2. Two wires carry currents as indicated. The net torque on the top wire, due to the bottom wire, is...

A:

Q: Using the Right-Hand Rule, what is the direction of magnetic field induced by a current-carrying con...

A: According To Right hand thumb rule  if thumb of the right hand points along direction of current, th...

Q: The magnetic field at the centre of a circular loop of wire of radius 1.50 cm is 3.48 × 10^−4 T in m...

A:

Q: A tuning fork of frequency 480 Hz is used in an experiment for measuring speed of sound (v) in air b...

A: Given data :- l1 = 30 cml2 = 70 cmn = 480 Hz

Q: Complete the table Two decimals only

A:

Q: Two long, straight wires are parallel to each other, separated by a distance d, as shown in the figu...

A: Two long, straight wires are parallel to each other, separated by a distance d.Current I1 is out of ...

Q: Where t = 2 sec 1.) X=5t^4 Find the displacement, velocity and acceleration. Please answer all and s...

A:

Q: To determine the force acting on each mass it was assumed that g = 9.80 m/s2. The value of  g at the...

A: Given - Assumed value of g = 9.80 m/s2   Accepted value of g = g' = 9.81 m/s2  Percentage error is c...

Q: How much power is reduced to lift a heavy solid concrete beam with mass 57.02 kg upward with a const...

A:

Q: Acceleration due to gravity on the surface of the Moon is 1.62 m/s. If a person's mass is 60 kg on E...

A: Given data:  Acceleration due to gravity on the moon (g) = 1.62 m/s2 Mass on the earth (m) = 60 kg R...

Q: A sailor in a small sailboat encounters shifting winds. She sails 2.00 km east, next 3.50 km southea...

A:

Q: A disk, initially rotating at 129 rad/s, is slowed down with a constant angular acceleration of magn...

A: Given data :- ω0 = 129 rad/sα   = -3.69 rad/s2ω  = 0 rad/s

Q: wo students went to the pool to relax on a summer day. Both students have inflatable floats, and are...

A: In all collision momentum remains conserved  Momentum before collision = momentum after collision 

Q: At one point in its fall, a falling object has a kinetic energy of 5 J and a potential energy of 10 ...

A: Data provided: Kinetic energy at one point (KE1) = 5 J Potential energy at one point (PE1) = 10 J Po...

Q: Calculate the rotational inertia of a meter stick, with mass 0.658 kg, about an axis perpendicular t...

A:

Q: Two decimals only Determine the total capacitance, total voltage, total charge, individual voltage d...

A: In series we know that charges are same in each capacitor connected . And in parallel voltage across...

Q: (b) Calculate the maximum voltages between points b and c.

A: XL = inductive reactance =wL  Where W is the angular frequency L = inductance Xw = capaciative react...

Q: An electron enters a region of space containing a uniform 2.21 × 10-³ T magnetic field. Its speed is...

A: Write the expression for the radius of the path. Here, m represents the mass of an electron, v repr...

Q: A 0.210-A current is charging a capacitor that has circular plates 10.8 cm in radius. The plate sepa...

A:

Q: Sound travels at 340 m/s. How long does it take the sound of a starter's pistol shot to travel 1.0 x...

A: Speed of sound=340m/s Distance travel=1×10^2m Time=?

Q: at one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.85 ...

A:

Q: Use the given coordinates obtained from a straight graph and calculate the slope of the graph. Coord...

A:

Q: In what directions is it possible that the wave is traveling? (Select all that apply.) O The -y dire...

A:

Q: In the figure, block 1 has mass m1 = 440 g, block 2 has mass m2 = 590 g, and the pulley is on a fric...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for yo...

Q: flywheel is accelerated at a constant rate of 0.015 rev/s^2, starting from rest. (a) What is its ro...

A:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”