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Tarzan swings on a 31.0 m long vine initially inclined at an angle of 34.0° with the vertical.
(a) What is his speed at the bottom of the swing if he starts from rest?
m/s
(b) What is his speed at the bottom of the swing if he pushes off with a speed of 4.00 m/s?
A racing dog is initially running at 18.0 , but is slowing down. By what fraction has its kinetic energy been reduced
A net force of256N accelerates a bike and rider at2.23m/s2. What is the mass of the bike and rider together
A ball is thrown straight upward. At above its launch point, the ball's speed is one-half its launch speed. What maximum height above its launch point does the ball attain
a catcher catches a 145 g baseball traveling horizontally at 36.0 m/s. How large an impulse does the ball give to the catcher, what average force did the ball exert on the catcher
q1. horse races once around a circular track in a time of 176 s with a speed of 26 ms. what is the radius of the
An object travels in a circle of radius 2.0 m. At time t = 0, the object has a velocity of 10 m/s and it slows uniformly to a stop in 30s. a. Draw a circle and indicate the velocity vector and the acceleration vector at some time between 0 and 30s.
A daredevil on a motorcycle leaves the end of a ramp with speed of 35.0 m/s, what is the max height that he reaches
A railway car moves past you at high speed. According to an observer riding on the railway car, a clock at the front of the car is synchronized with an identical clock at the rear of the car.
What is the maximum number of 6.00 ?F capacitors that can be connected in parallel with a 6.00 V battery while keeping the total charge stored within the capacitor array below 484 ?C? If the same number of 6.00 ?F capacitors are connected in series w..
If you lie on the ground at night with no cover, you get cold rather quickly. Much of this is due to energy loss by radiation. Estimate the net rate at which your body loses energy by radiation to the night sky under these conditions
A racetrack is to have a banked curve with radius 225 m. What should be the angle of the bank if the normal force alone is to allow safe travel around the curve at 56.0 m/s
A child is playing with a ball on a string. The ball has mass 0.065 kg, the string has radius 1.2 m and assume that the string is massless. What is the maximum tension in the string
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