0.5 kg air hockey puck is initially at rest. What will it's kinetic energy be after a net force of. 8 N acts on it for a distance of 2 m

A boy shoves his stuffed toy zebra down a frictionless chute. It starts at a height of 1.83 m above the bottom of the chute with an initial speed of 1.91 m/s.

The sound wave has a frequency of 435Hz. What is its period?

Can the sum of the magnitudes of two vectors ever be equal to the magnitude of the sum of the same two vectors? If no, why not? If yes, when?

The relative amplitude of harmonics produce different sounding notes. t or f

Un ascensor de masa 900 kg levanta 6 pasajeros 30 m en 1 minuto, cada pasajero tiene una masa de 65 kg. Calcular el trabajo realizado y la potencia desarrollada por el motor.

The mass of Jupiter is 1.9 * 1027 and that of the sun is 1.99 * 1030. The mean distance of Jupiter from the sun is 7.8 * 1011m. Calculate the gravitational force which the sun exerts on Jupiter, and the speed of Jupiter.

During a collision, a bus runs into a skateboarder inelastically. If the mass of the skateboarders is 70 kg and is moving at 12 m/s to the right, what is the final velocity of the skateboarder if the 2000 kg bus is traveling at 25 m/s to the left

What are hypotheses suggesting why urban children have more food allergies than children from rural areas? Select the TWO answers that are correct.

Which is a correct statement of what occurs at a turbine during electricity production?

2. Which graph shows a possible voltage profile over time for a 12 V lantern battery as it provides power to a bank of electric lights?