The force you have to overcome to start an object moving is

a. rolling friction b. static friction

c. sliding friction d. air resistance

a 59kg physics student jumps off the back of her laser sailboat (42kg). after she jumps the laser is found to be travelling at 1.5m/s. what is the speed of the physics student?

The following currents are measured in the same direction in a three-branch parallel circuit: 250 mA, 300 mA, and 800 mA. What is the value of the current into the junction of these three branches?

A battery is used to?

You push the ball with aforce of 22.8N which induces a - 2.3N frictional force. What is the net force while you push?

Use the drop-down menu to complete the statement. Based on the data in the line graph, you can predict there will likely be visitors in December compared to October.

a 7.26kg bowling ball (16 pounds) is at rest at the end of the bowling lane. : how long did you push the ball in this situation

Which is an example of speed? Cindy biked westward at 30 km/h. A rock is to the left of a flowerpot. A dog runs an average of 8 mph. Leo lives 2 miles north of Andre.

You need to design a capacitor capable of storing 3.0 10-7 c of charge. at your disposal, you have a 100 v power supply and two metal plates, each of area 0.490 m2 each. what is the limit of the separation of the plates? mm

Which of the following statements is true regarding the use of refrigerants? a. if your equipment is recovery only, refrigerant that is removed from vehicles should be poured down the drain b.

When would the velocity of a wave traveling in a medium change? A - only if a property of the wave changes B - only if a property of the medium changes C - if a property of both the wave and the medium changes D - never