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While warming up for a match, a tennis player stands at the baseline of the court, 11.9 m away from the net, and lobs a tennis ball towards the other side. The ball leaves the racket 1.50 m above the court's surface and at a speed of 17.0 m/s and an angle of 10.0? above the horizontal. The net is 0.914 m high. Does the ball clear the net? If so, how far above the top of the net is the ball when it crosses to the other side? If not, how far below the top of the net does it hit?
What is swimmer velocity relative to the bank
The truck is parked on the platform of a weight scale. Explain by how much does the scale reading exceed the weight of the truck and sand?
A rope of negligible mass is wrapped around a 225 kg solid cylinder of radius 0.40 m. The cylinder is suspended some meters off the ground with its axis oriented horizontally, and turns on that axis without friction.
A coil is wrapped with 309 turns of wire on the perimeter of a circular frame (of radius 50cm). Each turn has same area, equal to that of the frame.
Two masses, m1= 3.32 kg and m2= 5.00 kg are on a horizontal frictionless surface and they are connected together with a rope, What is the acceleration of the whole system, when this maximum force is appiled
A 3 kg block initially traveling at 5 m/s collides with a 1 kg block (initially at rest) sitting near the base of a hill. how high up the hill do the two blocks slide after the collision
A human can be electrocuted if a current of 0.053 A passes near the heart. If a human is considered to be a resistor in a circuit with a resistance of 2039 ?,
A person is 1.4 m tall, and is standing at 2.0 m in front of a plane mirror. What is the minimum length of the mirror if the person is now 3.5 m from the mirror
Your cell phone battery states that it has a capacity of 1200mAh. That means it can provide constant current supply of 1200mA for 1 hour (or 3600 sec), Your battery provides a constant voltage of 3.7V. What is the energy in Joules stored in the bat..
At one instant, a 0.26 kg particle is located at the position [r=(5.9m)*i+(5.5m)*j]. What is the angular momentum of the particle about the origin, in unit-vector notation
A very long, straight wire has charge per unit length (lambda) . At what distance from the wire is the electric field magnitude equal to E ? How do you solve this problem?
A projectile is launched at ground level with an initial speed of 42 m/s at an angle of 26º above the horizontal, What is the x distance from where the projectile was launched to where it lands in m
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