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The brakes of a car where initial velocity is 30 m/s are applied and the car received an acceleration of -2.00m/s2
a. How far will it have gone when its velocity has decreased to 15m/s
b. When it has come to a stop ?
A bungee jumper (m = 66.00 kg) tied to a 48.00 m cord, leaps off a 78.00 m tall bridge. What size impulse is exerted on the bungee jumper while the cord stretches
An isotope of krypton has a half-life of 3 min. A sample of this isotope produces 1000 counts per minute in a Geiger counter. Find the number of counts per minute produced after 15 minutes
A point charge +6.7 uC is placed at the origin, and a second charge -3.6 uC is placed in the X - Y plane at (0.40 m , 0.55 m ). Where should a third charge be placed in the plane so that the net force acting on it is zero? Express your answers usi..
what is the magnitude of the NET Electric Field E
A net force that is quadratically increasing in time is applied to an object. What is time dependence of the object's kinetic energy
A 0.135 kg ball is thrown straight up from 2.20 m above the ground.Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
a soccer player kicks a rock horizontally off a 41.3 m high cliff into a pool of water. if the player hears the sound
A 60 kg man is ice-skating due north with a velocity of 6.0 m/s when he collides with a 36 kg child. What is the direction of the child's velocity just before the collision
An object is placed to the left of a lens, and a real image is formed to the right of the lens. The image is inverted relative to the object and is one-half the size of the object. The distance between the object and the image is 110 cm. (a) How far ..
We found the centripetal acceleration of the Earth as it revolves around the Sun. Compute the centripetal acceleration of a point on the surface of the Earth
A mass-spring system with a natural frequency of 4.4 Hz is started in motion with an initial displacement from equilibrium of 5.7 cm, What is the amplitude of the resulting motion
A particle executes simple harmonic motion with amplitude of 9 centimeter. Find at what positions does its speed equal one fifth of its maximum speed
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