An object has a mass of 12.8 kg and a velocity of 8.4m/s. what is the kinetic energy of the oblects

Does light travel faster or slower when it has to pass through air or water

A force of 6N and another of 8N can be applied together to produce the effect of how much newtons?

If the speed of the wave on the guitar string is 600 m/s. Determine the period of that wave. Show all of your work including the initial equations and include the units in your answer

raising the temperature of a gas _ it's pressure if the volume of the gas and the number of particles are constant

A grocery sack can withstand a maximum of 230 N before it rips. What is the bags force when holding 15 kg of groceries and that is lifted from the counter at an acceleration of 7.0 m/s^2 hold?

Max (15 kg) and Maya (12 kg) are ice-skating on a frozen pond. At one moment, when Max is skating away from the shore at 8.2 m/s and Maya is skating towards the shore at 4.6 m/s, they collide and bounce off each other without falling.

7. When a wave crosses a surface at an angle from one medium into another, why does it change directions as it moves across the boundary into the new medium? Use 3 - 4 complete sentences in your own words to explain.

Why doesnt the moon get pulled into the sun

One mole of water is equivalent to 18 grams of water. a glass of water has a mass of 200 g. how many moles of water is in this?

A ball is thrown upward and reaches a maximum height of 100m and then returns back to where it was launched. The displacement of the ball is A) 0 m B) 100 m C) 200 m D) more than 200 m