A 100gm copper block is heated in boiling water for 10min and then it is dropped into 150gm of water at 30 C in a 200gm calorimeter. if the temperature of water is raised to 33.6 C. determine the specific heat of material of calorimeter?

How can an objects momentum be calculated

An electric heater rated at 4,800 watts is operated on 120 volts. If another heater is connected in parallel with the first one and both operate at 120 volts, the current in the first heater will A Instantly become zero B. Pemain the same C.

A copper wire has a diameter of 1.02mm and carries a constant current of 1.67A. If the density of free electrons in copper is 8.5 x10 to the power 28 per meter cube. calculate the current density and drift velocity of the electrons

When the same amount of heat is added to equal masses of water and copper at the same temperature the copper is heated to a higher final temperature than water. on a molecular level what explains this difference a.

Why is it a better to wear a white shirt on a hot summer day instead of a black shirt?

A rocky space object of varying size

Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reached in their paths the samemaximum height.

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.

What happens when energy in the molecules of an ice cube when it begins to melt

ll of mass m is thrown vertically upward with an initial speed of v0. It experiences a force of air resistance given by F = - kv, where k is a positive constant. The positive direction for all vector quantities is upward.