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On a frozen pond, a 11.6 kg sled is given a kick that impartsto it an initial speed of vo = 2.15 m/s. The coefficientof kinetic friction between sled and ice is mk = 0.130. Use the work kinetic energytheorem to find the distance the sled moves before coming to rest.
Two people with a combined mass of 120kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 8.30 cm. When the car hits a bump in the road, it oscillates up and down with a period of 1.70s.
What is electric field in the wire
A standing wave of 625 Hz is produced on a string that is 1.33 m long and fixed on both ends. If the speed of waves on this string is approximately 333 m/s, how many antinodes are there in the standing wave?
A 2.9-kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it encounters a spring. Determine the initial speed the box would need in order to compress the spring by 1.2 cm
Reaction time is the shortest time interval elapsed after the driver of a car decides to apply the break. (For example, the time wasted immediately after the driver sees a child standing on the road). Will the driver be able to stop in time
charge moving perpendicularly to an electric. an electron has a kinetic energy equal to 2e-16 j moves horizontally into a uniform field. find the force of the electron between the plates and acceleration
the mass of the planet neptune is 4.5x10power 26 kg . itsradius of orbit around the sun is 4.5x10power12m. calculate the potential energy of neptune
"Jerk" is the rate of change of acceleration, and it's what can make you sick on an amusement park ride. Find an expression for the maximum jerk
A spaceship with an earth weight of 3430 N is sent to Mars, which has radius, RM = 3.40 × 106 m, Find the weight of the spaceship on the Martian surface
A sledge loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope. What is the increase in internal energy in the sledge and the surface due to friction
The middle C string on a piano is under a tension of 744 N. The period and wavelength of a wave on this string are 3.82 10-3 s and 1.26 m, respectively. Find the linear density of the string.
One possible means of achieving space flight is to place a perfectly reflecting aluminized sheet into Earth 's orbit and to use the light from the Sun to push this solar sail, What force is exerted on the sail
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