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A fun-loving 10.6 kg otter slides up a hill and then back down to the same place
If she starts up at 5.30 m/s and returns at 3.60 m/s, how much mechanical energy did she lose on the hill?
A particle (charge 4.0 ?C) is released from rest at a point on the x- axis, x = 5.0 cm. What is the kinetic energy of the particle at the instant
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.0 multiply.gif 104 rev/min. Determine the angle (in radians) through which the drill rotates during this period
A passenger car traveling down a rough road bounces up and down at 1.0 with a maximum vertical acceleration of 0.17 , both typical values. What is the maximum speed of the oscillation
In a carnival they often have a large r = 16 m, cylinder which people stand against the outer wall while it rotates with some velocity, What is the minimum velocity of the cylinder to make someone "stick" to the wall in m/s
A car crashes into a wall at 25 m/s and its contents are brought to rest in 0.1s. display that the average force exerted on a 75-kg test dummy by the seat belt is more than 18,000 N.
Monochromatic light falling on two slits 1.9×10?2mm apart produces the fifth-order fringe at an 8.9? angle
Driving in your car with a constant speed of 12 {rm m}/{rm s}, you encounter a bump in the road that has a circular cross-section. If the radius of curvature of the bump is 35 {rm m}, find out the apparent weight of a 69 person in your car as you ..
question1a softball of mass m 0.195 kg is pitched at a speed v0 27.3 ms. due to air resistance by time it reaches
A 6.03-g bullet is moving horizontally with a velocity of +342 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). What is the velocity of the second block after the bullet imbeds itself
A small glass bead has been charged to +30 nC. A tiny ball bearing 3.0 cm above the bead feels a 1.8 × 10?2 N downward electric force. What is the charge on the ball bearing
The moving non-conducting belt of a Van de Graaff generator carries 10 ?C of charge up to the metal sphere each second. What minimum power must be supplied to the generator
A mass M of a liquid at a temperature T1 is mixed with an equal mass of the same liquid at a temperature of T2. The system is thermally insulated. If C is themperature-independent specific heat of that liquid
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