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The air inside a bicycle tire pump has 32.2 joules of heat conducted away from while 64 joules of work done are being done on it. What is the change in internal energy of the air?
During a hard sneeze, your eyes might shut for 0.38 s. If you are driving a car at 96 km/h during such a sneeze, how far does the car move during that time?
A bomb, initially at rest, explodes into three fragments that move as shown. What is the mass, m, of each of the lower two fragments in kg
What horizontal pushing force is required to (a) just start the crate moving and (b) slide the crate across the dock at a constant speed?
A 0.15 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by
A rod of mass m and radius R rests on two parallel rails that are a distance d apart have a length L. what is the speed of the rod as it leaves the rails
At what speed does a clock move by respect to an observer that measures it to run at one-sixth the rate of an identical clock at rest by respect to the observer?
Rearrange Equation 1 to make b the subject and then, by replacing each term of the equation by its units expressed in terms of SI base units, determine the units of bas a combination of SI base units. Include sufficient working to make it clear ho..
A billiard ball moving at 6.00 m/s strikes a stationary ball of the same mass. find the struck ball's velocity after the collision
Tarzan swings through the jungle by hanging from a vine. Immediately after he steps off the branch, is Tarzan's acceleration zero or nonzero
Two parallel plates carry uniform charge densities –0.65 and +0.65. Find the magnitude of the electric field between the plates. Find the magnitude of the acceleration of an electron between these plates.
A projectile is launched upward at an angle. What must this angle be with respect to the horizontal in order for the projectile to travel the farthest distance? Describe why.
A Styrofoam box has a surface area of 0.74 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam
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