The horizontal component of force acting at an angle of 30 degree with the horizontal is 100N. Find the magnitude of the force and its vertical component.

Explain what happens to the pitch of a cell phone ring when the wavelength of a sound wave increases

Cart A, with a mass of 0.4 kg, travels on a horizontal air track at 6 m/s and hits cart B, which has a mass of 0.8 kg and is initially at rest. After the collision, cart A has a velocity of 2 m/s in the opposite direction.

The driver of a car moving with a constant speed applies the breaks, and the car comes to a stop after traveling 3.5 meters. Which force causes the deceleration of the car?

Aleksei's family purchased a new water heater that is a heat pump. After installation, Aleksei noticed that the room containing the new water heater felt cooler than the rest of the house.

A circuit has a 9.0 v power supply and two resistors connected in parallel. one resistor is 10, and the other is 15. what is the current across the 15 resistor?

Materials with a density__water will float in water

A 0.5 kg ball is thrown horizontally towards a wall with a speed of 10 m/s. The initial velocity is chosen to be the positive x - direction for this question.

Does heat rise or fall

Two small, positively charged spheres have a combined charge of 5.23 x 10^-5 C. If each sphere is repelled from the other by an electrostatic force of 1.00 N when the spheres are 2.

A car racer accelerates uniformly to a velocity of 135 m/s over a distance of 412 m. Determine the acceleration of the car.