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Solve the all parts of given problem:
Problem: For a movie scene, an 80kg stuntman drops from a tree onto a 46kg sled that is moving on a frozen lake with a velocity of 10m/s toward the shore.
Part A: What is the speed of the sled after the stuntman is on board?
Part B: If the sled hits the bank and stops, but the stuntman keeps on going, with what speed does he leave the sled? (Neglect friction.)
I want help to find the speed of the sled after the stuntman is on board.
The only forces acting on a body have magnitudes of 20 N and 35 Nand directions that differ by 80 degrees. What is the approximate mass of the body
William burns 5.2 g of peanuts beneath 1000 g of water, which increases in temperature from 27C to 43C. Assuming 30% efficiency, what is the food value of the peanut
A toy train is pushed forward and released at x_0 = 2m with a speed of 2m/s. It rolls at a steady speed for 2s, and then one wheel begins to stick. The train comes to a stop 6m from the point at which it was released. What is the magnitude of trai..
A saw blade has a mass of 0.5 kg and a radius of 10 cm and is rotating at 300 rpm. Once turned off, it takes 5 seconds to slow to a complete stop. What frictional torque acts on the saw blade as its lows to a stop?
A projectile of mass m is launched from the origin at speedv0 and angle theta. It is attached to the origin with aspring (spring constant k) and equilibrium length zero. Show the equations of motion and solve for x(t) and y(t).
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed, Determine the magnitude of the electron's centripetal acceleration
Which of the subsequent is true about the direction of current? The direction of the current is from low voltage to high voltage. The direction of the current is away from the negative terminal of the battery.
A 0.340-kg tennis racket strikes a 57.0-g tennis ball. The tennis ball has an average acceleration of 95.0 m/s2 during the collision. Find the magnitude of deceleration of the racket
a particle moves in the xy plane with constant acceleration. at time zero the particle is at x 7.0 m y 7.0 m and has
An elevator car of mass 780 kg falls from rest 3.10 m, hits a buffer spring, and then travels an additional 0.390 m, What is the force constant of the spring
It has been suggested that rotating cylinders about 8.0 mi long and 5.0 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acce..
This demonstration is more complicated because it involves a vector. For a rotating wheel, the direction of the angular momentum, , is found by curving the fingers of your right hand in the direction of the rotation, your thumb then points along .
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