Emma is running for the bus. She runs 100 metres in 25 seconds. Calculate her speed

1. The thermal convection that drives plate motion is caused by O gravitational motions O subduction O sea-floor spreading O an unequal distribution of heat

For mach index of 0.6 what is the intake valve flow area g

What is a protoplanet?

According to the photoelectric effect, ultraviolet light will strip electrons away from a zinc plate. However, no amount or brightness of visible light will do this.

Which statements describe planetesimals? Select three options. They are the origins of planets. They formed from gas and dust. They were created during the big bang. They are believed to have developed in debris disks.

In later years, motors improved and could be run directly from a 60 Hz power supply. As a result, 25 Hz power systems shrank and disappeared.

Acceleration increases over time once a force is applied to the object. Given a force of 10.0 Newtons, which mass will have the greatest acceleration?

The transfer of energy between two objects by electromagnetic waves is called

What is the unit of k (spring constant) in SI system?

The teacher prepares 2.50 liters (L) of a salt solution for a class experiment. How many quarts (qt) are in 2.50 L? (1 quart = 0.943 liters)