Choose the most acidic substance in the group.

lemon juice, pH = 2.25

orange juice, pH = 3.75

milk, pH = 6.6

seawater, pH = 8

What is wave speed measured in?

Is F=mxa expressed in equation in newtons second law of motion?

In a lab, two identical lab carts (m = 1.0 kg) travel toward each other, each with a speed of 2 m/s. The cars collide, and one cart moves to the right with a speed of 3 m/s and the other moves left with a speed of 2 m/s.

A 50 Kg box sits at rest on a 30 degree ramp where the coef of static friction is 0.5773 what is the weight of the box?

Technician A says that many bearings also have a thin overlay of babbitt. Technician B says that bearings should have spread and crush to keep them from spinning when the crankshaft rotates. Which technician is correct?

Doubling the distance between two objects halves the gravitational force between them. true or false

A rocket with a mass of 10,000 kilograms is propelled upward with 8,000,000 joules of kinetic energy. The velocity of the rocket is meters/second. NextReset

Choose the most acidic substance in the group. lemon juice, pH = 2.25 orange juice, pH = 3.75 milk, pH = 6.6 seawater, pH = 8

What is the relative size and composition of the universe, a galaxy, and a solar system? Is the universe endless?

A bumblebee has a mass of 0.22 g. If its speed is 11.50 m/s, calculate its kinetic energy K E.