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If you drop an object from a height of 1.3 m, it will hit the ground in 0.52 s. If you throw a baseball horizontally with an initial speed of 16 m/s from the same height, how long will it take the ball to hit the ground?
A stunt man drives a car at a speed of 20 m/s off a 24-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20? How far from the base of the cliff does the car land
A vertical spring (spring constant =165 N/m) is mounted on the floor. A 0.390-kg block is placed on top of the spring, Obtain the frequency (in Hz) of the motion
Bubba has a tuning fork with a frequency of 445 Hz. Assuming the speed of sound in his lab is 350. m/s, what length tube is required to find the resonant point of his fork
A conducting spherical shell with inner radius a and outer radius b has a positive charg Q located at its center. derive expressions for the electric field magnitude in terms of the distance r from the center
A block of ice starts from rest on an apartment building's roof, which slopes at 41° below the horizontal. How far from the building does the block strike the ground
A diver releases an air bubble of volume 2.9 cm3 from the depth of 18 m below the surface of a lake, where the temperature is 7.2°C. What is volume of the bubble when it reaches just below the surface of the lake, where the temperature is 22°C.
An astronomical telescope uses an eyepiece of power +80.000 D. what is the magnification of the telescope
A small, 100g cart is moving at 1.30m/s on an air track when it collides with a larger, 2.00kg cart at rest. What is the speed of the large cart after the collision
A meteorologist tracks the movement of a thunderstorm with Doppler radar, What is the direction of the average velocity of the storm
q1. three objects with masses m1 54.6 kg m2 38.8 kg and m3 20.0 kg are hanging from ropes that run over pulleys.
Illustrate the force vectors with their tails at the origin of coordinate system. The orientation of your vectors will be graded. The exact lengths of your vectors will not be graded but relative length of one to the other will be graded.
the 150 turn primary coil of a transformer is connected to a 120 V AC source. Find the current in the primary coil
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