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A ball of weight 1.5 N is thrown at an angle of 30° above the horizontal with an initial speed of 12 m/s. At its highest point, the net force (ignoring air resistance) on the ball is:
A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal and with an initial speed of21.0m/s. Find the horizontal range of the ball
Two streams of air, one at 1 bar, 27C and velocity of 30 m/s and the other at 5 bar, 227C and 50 m/s velocity, Find the velocity of the stream issuing out of the nozzle
A 55.0-kg ice skater is moving at 4.07 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. find the force exerted by the horizontal rope on her arms
A fishing line has attached to it a hollow plastic float 2.65 cm in diameter and having a mass of 1.50 g. Find the mass of a lead weight
An aircraft?weighing 971?N? is accelerated?at 9.1 m/s2 for 5 seconds, at which time the aircraft launches. What is the force required to launch the aircraft
If the balls are released from a height where the bottom of the basketball is at 0.781m above the ground, what is the absolute value of basketball's momentum just before it hits the ground.
A popular pastime is to see who can push an object closest to the edge of a table without its going off. You push the 100 g object and release it 1.00mm from the table edge. If the coefficient of kinetic friction is 0.500, what was the object's sp..
A diver has a vertical velocity of -12 m/s when she is 1.8 m above the water. What was her peak height
A transparent film has a thickness of 0.003250 cm, and a refractive index of 1.4000. Find the order of interference at theta=0 degrees
A radio controlled car increases its kinetic energy from 4J to 12J over the distance of 2 m. What was the average net force on the car during this interval.
The 95 mu F capacitor in a defibrillator unit supplies an average of 6500 W of power to the chest of the patient during a discharge lasting 5.0 ms
A 200-turn circular coil of wire has a radius of 10.0 cm and a total resistance of 0.115 Ohms. Determine the voltage of the power supply creating the current in the coil
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