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An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.27 m/s, and its maximum acceleration is 8.41 m/s2. Determine how much time elapses between an instant when the object's speed is at a maximum and the next instant when its acceleration is at a maximum?
At a point P, the path lengths from two point sound wave sources have a difference of 1/4 l. What is the phase difference between the sound waves at poiunt P
A 266.0 gram handball moving at a speed of 5.4 m/s strikes a wall at an angle of 29.0 degree to the normal of the wall and then bounces off with the same speed at the similar angle. Find the average force exerted on the wall by the ball
A certain lightbulb has a tungsten filament with a resistance of 20.5 ? when at 20.0°C and 136 ? when hot. Find the temperature of the hot filament
Two parallel straight wires are 10 cm apart carry currents in opposite directions. Determine the magnitude and direction of the magnetic field halfway between the wires
in a popular amusement park ride a rotating cylinder of radius 3.05 m is set in rotation at an angular speed of 0.45
Clifford is in a real hurry, however, and skips the speed ramp. Starting from rest with an acceleration of 0.49 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. What is the speed at which belt of the ramp is moving.
A charging bull elephant with a mass of 5240 kg comes directlytoward you with a speed of 4.55m/s. You toss a 0.150 kg rubber ballat the elephant with a speed of 7.81 m/s.
A circular coil (radius = 0.40 m) has 160 turns and is in a uniformmagnetic field. If the orientation of the coil is varied through all possible positions,the maximum torque on the coil by magnetic forces is 0.16 N⋅m when the current in thecoil is..
A rifle is aimed horizontally at a target 51m away. The bullet hits the target 2.0cm below the aim point. What was the bullet's speed as it left the barrel
A defibrillator is used during a heart attack to restore the heart to its normal beating pattern, How many electrons pass through the wires connected to the patient
A box slides down a frictionless 6.02 m high hill, starting from rest. How far from the bottom of the hill does the box come to rest
A 0.150-A current is charging a capacitor that has circular plates 10.6 cm in radius. The plate separation is 4.00 mm. What is the time rate of increase of electric field between the plates
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