In a firework display, energy is released in___?

Identify the forces acting on the cars and explain why the cars do not slide down the hill

A team of scientists is working to determine if a meteor created a landform. Which branches of Earth science would these scientists most likely represent? Check all that apply.

A car speeds up as it rolls down a hill. Which is this an example of? A. positive acceleration B. negative acceleration C. relative velocity

Five marbles roll down a ramp. Each marble reaches the bottom of the ramp at a speed of 3 meters/second. Which marble has the highest kinetic energy at the bottom of the ramp? The table lists the mass of each marble

According to newton's second law of motion, how much force will be required to accelerate an object at the same rate if its mass is reduced by half? A. No change in the amount of force is needed. B. Four times the amount of force is needed. C.

A massive and a less massive object free-fall at the same rate because A. the ratio of the net force to mass is the same for each B. the gravity is the same C. they weigh the same amount D. they experience the same force of gravity E. none

Which of the following lists the Earth's layers in order from hottest to coldest in temperature? A. outer core, mantle, inner core, crust B. crust, mantle, outer core, inner core C. inner core, outer core, mantle, crust D.

A boy does 465 J of work pulling an empty wagon along level ground with a force of 111 N [31o below the horizontal]. A frictional force of 155 N opposes the motion and is actually slowing the wagon down from an initial high velocity.

Which of the following best explains why the tidal bulges on Earth are larger closest to the Moon compared to the tidal bulges closest to the Sun?

an airplane flies with a constant speed of 600 miles per hour. how long will it take to travel a distance of 2100 miles?