At t = 19.8 seconds an object with mass 2.0 kg was observed to have a velocity of m/s. At t=20.02 seconds its velocity was m/s. What was the average (vector) net force acting on the object?

A runner increases her speed from 5 km/hr to 10 km/hr over a period of three hours what is her acceleration?

Ways to determine properties of screws

The sun radiates energy. Does the earth similarly radiate energy? If so, why can't we see the radiant energy from the earth? 1.

Differences between landslides and earthquakes

The stars in a constellation are physically close to one another.

1. A Rocket has been fired upwards to launch a satellite in it's orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.

The list shows the results of six athletes competing in the long jump, which has a target distance of 20 feet.

Do action and reaction cancel each other out?

A weather balloon is inflated to a volume of 29.1 L at a pressure of 733 mmHg and a temperature of 24.7 ∘C. The balloon rises in the atmosphere to an altitude where the pressure is 365 mmHg and the temperature is - 14.5 ∘C.

A car traveled 112.0m in 24.500s, what was a car's average speed?