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You throw a 151 g ball straight up to a height of 43.0 m.
(a) Assume that the displacement of your hand is 0.70 m as you throw the ball straight up. How long is the ball is in your hand?
s
(b) Calculate the average force exerted by your hand while you are throwing it.
N
Monochromatic light falls on a slit that is 2.80*10^-3 mm wide. If the angle between the first dark fringes on either side of the central maximum is 36.0 degrees
A jet with mass m=130000kg jet accelerates down the runway for takeoff at 2.1m/s^2. What is the net horizontal and vertical force on the airplane
A steel ball bearing 7.00mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
Assume the volume of the tank and the temperature of gas remain constant all through this operation.
Two resistors (connected in series with each other) and a 15 V battery are connected in a loop. What is the voltage drop across the second resistor
Calculate its average velocity for the entire trip. A horse canters away from its trainer in a straight line, moving 120 m away in 15.0 s. It then turns abruptly and gallops halfway back in 5 s.
A flashlight bulb with a resistance of 40 ohm is powered with a 6 volt battery and produces 0.75W of power. what is the voltage across the battery terminals when the light bulb is on
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A 3.00-kg block starts from rest at the top of a 33.0° incline and slides 2.00 m down the incline in 1.75 s. Find the frictional force acting on the block
The energy of the first excited state of a hydrogen atom is -0.34eV +/- 0.0004eV. What is the minimum average lifetime for this state
About the axis of the rod.ωA ball of mass m is attached by two strings to a vertical rod. The entire system rotates at constant angular velocity.
A ball is kicked from the ground toward a fence that is located 25 m away. By how much does the ball clear the fence
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