In 2.8 s, a car increases its velocity from 20. M/s to 25 m/s. What is the acceleration of the car

As two tuning forks of different frequencies are sounded together, the observed periodic changes in loudness are caused by what?

By how much does the temperature of mercury increase? the specific heat of mercury is 140

How does chemical composition affect the properties of lava?

Tom rides his skateboard 2.4km in 20 mins and Max rides his scooter 3.6km in 30 mins. Who is moving at a faster rate (speed) ? Choose the correct formula and show your work. (what you are plugging into the calculator) Use proper units in your answer.

Explain 5 things that could cause an incorrect mass when using the triple bean balance?

Solve for real t: - 25=20t-5t^2

Contrast balanced and unbalanced forces.

A wave will travel only as long as it has energy

a box sliding on a frictionless surface when it suddenly begins to rain heavily. if the downpour of rainfall falls vertically into the box, gradually filling it, what would happen to the speed of the box

Which would fall with a greater acceleration in a vacuum-a leaf or a stone?