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A pitched ball is hit by a batter at a 45°angle and just clears the outfield fence, 98 m away. If the fence is at the same height as the pitch, find the velocity of the ball when it left the bat. Ignore air resistance.
A bowling ball (mass = 4.4 kg, radius = 0.11 m) and a billiard ball (mass = 0.37 kg, radius = 0.028 m) may each be treated as uniform spheres
A truck has its front wheels (only) driven onto a scale and a reading of 3000 kg is obtained. How far is the center of gravity from the front wheels
A plane is flying in the horizontal plane. At time t1 = 0 s with the components of its velocity are vx = 100 m/s and vy = 120 m/s. What was the change in the direction of the velocity
A 130 g copper bowl contains 240 g of water, both at 20.0°C. How much energy (in calories) is transferred to the water as heat
A thin 11-cm-long solenoid has a total of 440 turns of wire and carries a current of 1.9A, Calculate the field inside the solenoid near the center
Use Ampere's Law to find the magnetic field due to an infinitely long wire of radius R carrying a current I. Find the magnetic field both inside and outside the wire
To measure the static friction coefficient between a 4.78-kg block and a vertical wall, the setup shown in the drawing is used. what is the coefficient of static friction
A home (volume = 1000 m3) built in 1946 has urea formaldehyde insulation, which outgases into the home at a rate of 5 ng/hr, What is the steady state concentration (C) of formaldehyde in the home
A rocket starts from rest and moves upward from the surface of the earth, What is the speed of the rocket when it is 340m above the surface of the earth
As a 16,500 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down. what was the plane's landing speed
A rocket is launched at an angle of 58.0�° above the horizontal with an initial speed of 102 m/s. Find the maximum altitude reached by the rocket
The G string on a violin has a fundamental frequency of 196 Hz. It is 33.0 cm long and has a mass of 0.500 g. what is the effective length of her string
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