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Question: A ball is thrown off a 24 m high cliff at 7 m/s, 50o above the horizontal.
Question 1: How long does it take to hit the ground?
I need help to find how long it takes to hit the ground.
A husband and wife take turns pulling their child in a wagon along a horizontal sidewalk. find the magnitude of the pulling force exerted by his wife
in astronomy it is common to expose a photographic plate to a particular portion of the night sky for quite some time
While an object near the earth's surface is in free fall, its. Vector A points north and vector B points east. If C =B - A, then vector C points:
assume with the tight-binding framework that we need to consider only 1 wannier orbital from each site. the energy
A drag racer crosses the finish line of a 304.8 m track with a final speed of 126 m/s. how long would it take to finish the race
Two carts are held together by a mass less spring and are travelingtogether to the right on a frictionless air track at 1.35 m/s. How much energy was stored in the spring before the separation
The speed of light in a certain substance is 89% of its valuein water. What is the index of refraction of this substance
a student standing on a stationary skateboard tosses a textbook with a mass of mb 1.55 kg to a friend standing in
A 0.280 kg ball is dropped from rest at a point 1.35m above the floor. The ball rebounds straight upward to a height of 0.780 m. What are the magnitude and direction of impulse of the net force applied to the ball during the collision with the flo..
two point charges lie along the y-axis. a charge of q1 -8.5 muc is at y 6.0 m and a charge of q2 -7.5 muc is at y
A 1650-kg car is travelling at 31.2 m/s. How fast must a 91.0-kg bicycle and rider be travelling to have the similar kinetic energy as the car.
The center of the spherical metal ball of radius R, carrying a negative charge -Q, is located a distance r from the center of a short, thin, neutral copper wire of length L. The induced charges at the two ends of the wire is ±q. Determine the polariz..
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