What TA makes something a good insulator?

What is the mass of an object that needs a force of 6000 newtons to increase its speed from rest to 107 m/s in 2.3 seconds?

Which is a correct description of hooke's law? a. the force applied to a spring equals the product of the spring constant and the displacement. b. the force applied to a spring equals the spring constant divided by the displacement. c.

The formula d = rt gives the distance d traveled in time t at rate r. A train travels 163.2 miles in 2.4 hours, traveling at a constant rate. What is the train s rate of travel?

A record turntable is rotating at 33 rev/min. A watermelon seed is on the turntable 4.4 cm from the axis of rotation. (a) Calculate the acceleration of the seed, assuming that it does not slip.

The major manufacturing companies in a small, less-developed country have decided to jointly build hospitals in rural areas in the country where they assemble their products.

A 30.0-kg object experiences a drag force due to air resistance with a magnitude proportional to the square of its speed. The object falls with an acceleration of 4.00 m/s2 downward when it is falling downward at 70.0 m/s.

If a tank contains water 4 m deep, what is the pressure at the bottom of the tank? (Neglect the atmospheric pressure.)

Eli rolled a ball down the cement sidewalk as hard as he could. The ball rolled for less than a minute before it came to a stop. What force acted to slow and finally stop the ball? A.

Which of the following statements best explains why a book resting on a table is in equilibrium? a. The acceleration due to gravity is 9.8 m/s 2 for both the book and the table. b. There is a net force acting downward on the book. c.

About how long does it take for sound to travel 1 Km?