You walk across the room at 2 kilometers per hour. Express this speed using abbreviated units

Which changes would cause an increase in the resistance of a wire? Check all letters that apply. a) increasing its temperature b) decreasing its temperature c) using a longer wire d) using a shorter wire e) using a thicker wire using a thinner wire

A boy and girl on ice skates face each other. the girl has a mass of 20 kg and the boy has a mass of 30 kg. the boy pushes the girl backward at a speed of 3.0 m/s as a result of the push the speed of the boy is

What does every magnet possess? A strong magnetic field b north and south poles c iron metal d repulsion

1. Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find the angle their resultant force makes with the force of 14 lb. 2. A velocity of 30 mph is resolved into two components, each of which makes an angle of 45 with it.

Which are the three types of mutations? A. deletion B. replication C. insertion D. multiplication E. substitution

To a good approximate, the only external force that does work on a cyclist moving on level ground is the force of air resistance. Suppose a cyclist is traveling at 15 km/h on level ground. Assume he is using 480 W of metabolic power. a.

What always happens when two objects of different temperatures come in contact?

A 0.25 kg arrow with a velocity of 12 m/s to the west strikes and pierces the center of a 6.8 kg target. What is the final velocity of the combined mass

Which statement describes a newton? It exists only idr objects on Earth. It measures the mass of an object. It reflects the amount of force an object exerts. It states that every object attracts another object. Save and Exit

The unit of force is ... Friction is a force which is created when ... Friction is a force which ... Moving objects and may prevent objects from starting to move.