Why does a skateboard coasting on a flat surface slow down and eventually comes to a stop

How much kinetic energy does a 1500 kg car have if it's moving at 15 m/s

Under certain conditions of extreme heat and pressure, sandstone will transform into quartzite. What type of rock is quartzite

Choose all of the examples of balanced forces. A chandelier has been hanging in the kitchen for years A log floats on top of the lake You place your book on the top of a flat table Your wagon rolls down the hill The wind blows and turns the turbines

Which statements below describe the changes that molecules undergo when heat is applied to a single phase? (Select all that apply.) a. The heat energy causes an increase in the bond vibrations within the molecule. b.

Which formula can be used to find the show angle of the resultant vector? A) sin∅=Ry/Rx, B) tan∅=Rx/Ry, C) tan∅=Ry/Rx, D) sin∅=Rx/Ry

A particular motor can provide a maximum torque of 110 n • m. assuming that all of this torque is used to accelerate a solid, uniform, cylindrical flywheel of mass 10.0 kg and radius 3.

Round your answers to one decimal place. This parallel circuit has two resistors at 15 and 40 ohms. What is the total resistance? Ω If there is a 12 V battery in the circuit, what would the approximate current be? A

Energy transfer by convection is usually restricted to what type of substance?

Choose all that represent ways that Venus is different than Earth. a. The atmosphere of Earth is thicker than Venus b. Only Earth's atmosphere traps heat c. The atmosphere of Venus is thicker than Earth's. d.

calculate the force exerted on a rocket given that the propelling gases are expelled at a rate of 1500 kg/s with a speed of 4.0x10^4 (at the moment of take off)