A system does 300 J of work at the same time that 1000 J of energy is transferred to the system as heat. What is the change in the system's internal energy?

A train is accelerating at a rate of 2 km/hr/s. If its initial velocity is 20 km/hr, what is its velocity after 30 seconds?

Name 3 objects that have gravitational potential energy?

The speed of sound is dependent on which of the following? the medium through which the sound travels the object that creates the sound the refraction of the sound none of the above

If a chlorine atom gains or loses a valence electron, it becomes a charged particle called a/an A. flourine B. ion C. neutron D. chloride atom

Makenna surveyed 48 of her female classmates to determine the number of stores each one visited before purchasing a dress for the spring dance. She wants to represent her results in a box plot.

What does Newton's second law of motion say

Two sinusoidal waves are moving through a medium in the positive x-direction, both having amplitudes of 7.00 cm, a wave number of k=3.00m-1, an angular frequency of ω=2.50s-1, and a period of 6.00 s, but one has a phase shift of an angle ϕ=π12rad.

Which season does the Southern Hemisphere experience when it is tilted toward the sun? A. winter B. summer C. spring D. autumn

For an ideal fluid flowing through a horizontal pipe, Bernoulli's principle and the continuity equation state that the pressure within the pipe does which of the following? (Assume measurements are taken along the pipe in the direction of fluid flow.

A bowling ball has a mass of 40kg and is kicked with a force of 10 N. What is it's acceleration