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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 roach that runs for its life because you try to hit it with your physics book runs off the horizontal tabletop with a speed of 0.64 m/s. Find the height of the table
question1a bus travels 330 km south along a straight path with an average velocity of 84 kmh to the south. the bus
A solid disk of radius 1.60 m and mass 2.30 kg rolls without slipping to the bottom of an inclined plane. If the angular velocity of the disk is 4.27 rad/s at the bottom, what is the height of the inclined plane
Consider the skateboarder in the figure below. If she has a mass of 49 kg, an initial velocity of 23 m/s, what is the work done by friction on the skateboarder
When chasing a hare along a flat stretch of ground, agreyhound leaps into the air at a speed of 10.9 m/s, at an angle of 25° above the horizontal. What is the range of his leap
A jet flying at 125 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force
An experimental bicycle wheel is placed on a test stand so that it is free to turn on its axle. If a constant net torque of 6.00 N · m is applied to the tire for 5.00 s, the angular speed of the tire increases from 0 to 100 rev/min. The external t..
One of the new events in the 2002 Winter Olympics was thesport of skeleton. In the absence of non conservative forces, such a frictionand air resistance, what would be the speed of a rider at the bottom of the track
A 743 turn circular loop coil 12.6 cm in diameter is initially aligned so that its axis is parallel to Earth's magnetic field. In 1.5 ms the coil is flipped so that its axis is perpendicular to Earth's magnetic field.
Electrons in an x-ray machine are accelerated from restthrough a potential difference of 50 000V. what is the kinetic energy of each of these electrons in eV
Two conducting rails 30cm apart rest on a 5.0(degree)ramp. They are joined at the bottom by a 0.60 ohm resistor, What is the termal velocity of the bar
a piece of cheese with a mass of 1.22kg is placed on a vertical spring of negligible mass and a force constant k 1500nm
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