A cyclist leaves home and rides due east for a distance of 45 km. She returns home on the same bike path. If the entire trip takes 4 hrs, what is her average speed? What is her displacement?

An object slides on a level floor. It slows and comes to a stop with a constant acceleration of magnitude 2.4 m/s2. What is the coefficient of kinetic friction between the object and the floor?

To calculate the amount of energy transferred by heat to or from an object you must know the mass of the object and what else?

Erosion of the beach is normally a slow process. What is one factor involved in this erosion? A) animal motion B) changing tides C) emptying rivers Eliminate D) building coral reefs

Since scientists began collecting data on Earthquakes in the 1960s, what have they realized about tectonic plate boundaries?

What property of matter do we consider when deciding whether to buy a half-gallon of milk at the store versus a gallon of milk?

What is the upper layer of the atmosphere

How are selective breeding and genetic engineering different? They are not different. Selective breeding involves biotechnology. Genetic engineering involves biotechnology. Both B & C are correct.

When the sum of all forces acting on a block on an inclined plane is zero, the block?

a parallel plate capacitor has square plates that have edge length equal to 100cm and are separated by 1 mm. It is connected to a battery and is charged to 12V. How much energy is stored in the capacitor?

A net force of 10.0 n causes an object to accelerate at 2.00 m/s^2. what is the mass of the object? 0.200 kg 0.400 kg 5.00 kg 8.00 kg 20.0 kg