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A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.27 m/s. Three seconds later, the bicyclist hops on his bike and accelerates at 2.01 m/s2 until he catches his friend. How much time does it take until he catches his friend?
A) How far has he traveled in this time?
B) What is his speed when he catches up?
A golf ball of mass 0.045 kg is hit off the tee at a speed of 34m/s. Find the impulse imparted to the golf ball
Light with a wavelength of 4.5 x10-5 cm passes through a single slit and falls on a screen 100 cm away. If the slit is 0.015 cm wide, what is the distance from the center of pattern to first dark band.
What are the lowest and the highest frequencies. calculate the acceleration of the crate.
A uniform plank of length 4.3m and weight 236N rest horizontally on two supports, with 1.1m of the plank hanging over the right support. To what distance x can person who weighs 450N walk on the overhanging part of the plank before it just begins ..
A metallic sphere has a charge of +3.7 nC. A negatively charged rod has a charge of -6.0 nC. When the rod touches the sphere, 7.2 109 electrons are transferred. What are the charges of the sphere and the rod now?
An object moves uniformly around a circular path of radius 20.5 cm, making one complete revolution every 2.40 s. What is the translational speed of the object
Two tiny conducting spheres are identical and carry charges of -16.6C and +56.3C, Determine the magnitude of the force that each sphere now experiences
An Olympic skier whose mass is 50 kg is moving at 25 m/s down a 20degree slope encounters a region of wet snow of coefficient of frictio Uk=0.55 which reduces her speed. Find the acceleration of the skier
A robot probe drops a camera off the rim of a 239m high cliff on Mars, where the free fall acceleration is -3.7m/s^2. Find out the velocity with which the camera hits the ground.
A 750 air-track glider attached to a spring with spring constant 10.5 is sitting at rest on a frictionless air track. What is the amplitude of the subsequent oscillations
A stationary whistle emits a sound of 188Hz. If passengers in a car hear the whistle with a frequency of 198 Hz, how fast was the car moving? Make use of 340 m/s for the sound velocity.
A 63.0 ?F capacitor is connected to a generator operating at a low frequency. The rms voltage of the generator is 4.00 V, at what frequency will the fuse burn out
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