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While standing at the edge of the flat roof of an office building 40 meter high, you throw a ball upwards at 10 meter per second. When does it hit the ground? Find its speed when it passes you on the way down? Find its speed when it hits the ground?
A man takes his dog out for a walk. The dog has no legs and is dragged along sidewalk on a little sled (mass of dog + sled = 13.0kg). The sidewalk exerts a frictional force of 14.0N.
q1. a pinball machine launches a 139 g ball with a spring-driven plunger. the game board is inclined at 6 above the
A 250 g plastic ball is fired from a 4.0 kg toy cannon on wheels. After being fired, the cannonball above the ground at 24 m/s. Determine the final velocity of the cannon
A 170 object is taken to a height of 360 above the Earth's surface. What is the object's weight at this height
at some point in space,the x and y components of the electric field are Ex= 1.73 N/C, respectively and Ey= 3.75 N/, respectively. What is the net charge of the particle
A daredevil on a motorcycle leaves the end of a ramp with a speed of 39.5 m/s, what is the maximum height that he reaches
A uniform 1.9-kg rod that is 0.90 m long is suspended at rest from the ceiling by two springs, one at each end. Find the angle that the rod makes with the horizontal
A small object with a mass of 380mg carries a charge of 20.0 nC and issuspended by a thread between the vertical plates of aparallel-plate capacitor. what is the potential difference between the plates
A circular loop of wire of radius 12.5 cm is placed in a magnetic field directed perpendicular to the plane of the loop, calculate the magnitude of the emf induced in the loop
In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straightaway at 71.5 m/s. The driver of the Thunderbird realizes that she should make a pit stop, and she smoothly h slows to a stop over a distance o..
a hummingbird hovers 4.00cm from the surface of a decorative stainless-steel sphere that sits on a pedestal in a garden. make a sketch of the optical system
A rod is measured to be 12cm by an observer moving at 0.60c with respect to the length of the rod. What is the proper length of the rod
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