A 1.11 kg skateboard is coasting along the pavement at a speed of 6.82 m/s when a 0.880 kg cat drops from a tree vertically downward onto the skateboard. What is the speed of the skateboard-cat combination? Answer in units of m/s.

A 10.3 g wire has a density of 10.7 g/cm3 and a resistivity of 6.9 * 10-8 Ω · m. The wire has a resistance of 59 Ω. How long is the wire?

How would decreasing the amplitude of the sound waves from a television affect its intensity

Many plants will grow from cuttings. Ting develops a new root system and becomes a clone of the parent plant, but an independent new plant. This type of reproduction is called

In a power cycle operation, the heat transfers are Qin = 25 MJ and Qout = 15 MJ. Determine the network, in MJ, and the thermal efficiency?

Name three elements that have similar chemical properties to oxygen

If a basketball travles a distance of 4 meters in 5 seconds whst is the average speed

What is the formula for calculating mechanical power

The ability to do work is called what?

How can the speed of a mechanical wave energy be calculated

A hollow sphere of negligible mass and radius R is completely filled with a liquid so that its density is rho. You now enlarge the sphere so its radius is 2R and completely fill it with the same liquid. What is the density of the enlarged sphere?