Which of the following can supply the energy for modern home heating systems?

electricity

biomass

solar

geothermal

A cart is propelled over an xy plane with acceleration components ax = 6.2 m/s2 and ay = - 1.7 m/s2. Its initial velocity has components v0x = 6.8 m/s and v0y = 12.0 m/s.

Gloria pushes a full shopping cart with a force of 16 N. The cart has a mass of 19 kg. As Gloria pushed on the cart, she increased its velocity by 8.0 m/s. For how long did Gloria apply the force to the shopping cart?

A tall cylinder contains 30 cm of water. oil is carefully poured into the cylinder, where it floats on top of the water, until the total liquid depth is 40 cm.

3 - (a) What is the period of rotation of Earth in seconds? (b) What is the angular velocity of Earth? (c) Given that Earth has a radius of 40,075 km at its equator, what is the linear velocity at Earth's surface?

Which parameter of the present universe, more than any other, is considered to be critical in determining the ultimate fate of the universe?

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

Two pieces of metal with exactly the same mass are placed on a surface in bright sunlight. The temperature of the 1st block increases by 3°C while the temperature of the 2nd increases by 8°C. If the specific heat of the 2nd block is 0.

The correctly balanced equation for H202 - H2O + O, is A) H202 - 2H2O + O2 B) H302 - H20+20, C) 2H, 02 - - 4H20 + 0, D) 2H, 02 - 2H30 + 0,

What happens to the wavelength of a wave if you increase the frequency?

In a transverse wave, the particle motion is what to wave motion? A. perpendicular B. parallel