How could you increase the rolling friction between the car and track? How could you decrease it?

Assuming no air resistance, how far will a 0.0010 kg raindrop have fallen when it hits the ground 30.0 s later. Assume g = 9.8 m/s2. a) 294 m b) 4410 m c) 8820 m d) 44,000 km

A 4.2 cm diameter circular loop of wire is in a 1.14 T magnetic field. The loop is removed from the field in 0.18 s. Assume that the loop is perpendicular to the magnetic field. What is the average induced emf?

If a small child were to release a balloon into the atmosphere, what would happen to the size of the balloon as it makes it way higher in the sky?

What part of the microscope allows you to change the amount of light coming to your slide?

What is the maximum height of any vehicle that may be operated without a special permit?

The force on a current-carrying wire is a maximum when the current is moving parallel to a magnetic field. true or false

In 1999, what percentage of 36-month-old toddlers had been toilet trained? 20 percent 40 percent 60 percent 80 percent

Tarzan, in one tree, sights jane in another tree. he grabs the end of a vine with length 20 m that makes an angle of 45â with the vertical, steps off his tree limb, and swings down and then up to jane’s open arms.

Applying the Law of Conservation of Momentum Train car A is at rest when it is hit by train car B. The two cars, which have the same mass, are stuck together and move off after the collision.

Each of the objects above is composed of identical thin sticks of uniformly distributed mass 5.51 kg and length 0.737 m.