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Catching a wave, a 71 kg surfer starts with a speed of 1.3 m/s, drops through a height of 1.95 m, and ends with a speed of 8.2 m/s. How much nonconservative work was done on the surfer?
A 60.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, correspondingly. What horizontal pushing force is required to (i) just start the crate moving and (ii) slide the crate ..
Suppose there are two point charges, one has a charge of +1.55 * 10-6 coulombs and they are separated by a distance of 2.00 meters. if the force. determine the magnitude of the other charge in coulomb's
An automobile accelerates from rest at 20 m/s2 for 20 s. The speed is held constant for 20 s, after which there is acceleration of ( -3 m/s2 ) until the automobile stops. What is the total distance traveled?
A textbook of mass 1.91 kg rests on a frictionless, horizontal surface. compute the tension in the part of the cord attached to the book
A charge of 5.00 (mew)C is placed at each corner of a square 0.100m on a side. Determine the magnitude and force on each charge
A 60 kg barrel is lifted 2.0 m in the air using a pulley system with a mechanical advantage of 3. How much work does the person do lifting the barrel
At 0 degreees C the volume of a gas maintained at normalatmospheric pressure is 546 cm3 .a) How manycm3 will the volume of this gas increase or decrease foreach degree Celsius that its temperature changes? b) What will thevolume of this gas be at -..
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. how fast will the disk be turning
if 500 j of work are required to carry a 40 c charge from one point to another the potential difference between these
A Projectile is fired with an initial velocity of 60 m/s at an angle of 379 to the horizontal. Assuming there is no friction, what is the horizontal range of the projectils
A 30-06 caliber hunting rifle fires a bullet of mass 0.0146 kg with the velocity of 314 m/s to the right. The rifle has a mass of 2.49 kg.
On Apollo Moon missions, the lunar module would blast off from the Moon's surface and dock with the command module in lunar orbit. Find the impact speed of the lunar module
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