Halfway though a cross-country meet, a runner's speed is 4m/s. In the last stretch, she increases her speed to 7m/s. What is her change in speed?

Two locomotives approach each other on parallel tracks. Each has a speed of v=95 km/h with respect to the ground. If they are initially d = 5.0 km apart, how long will it be before they reach each other?

Which part of an Adam is actively exchanged or shared in a chemical bond?

When your car headlights fail you should?

What 3 things can an object with unbalanced forces do?

Calculate the heat energy needed to change the temperature of 2 kg of copper from 10°C to 110°C. heat = Kcal

If a 0.200-kilogram ball sits on a shelf 2.00 meters from the floor, how much mechanical energy (me) does it possess?

Which statement describes static equilibrium? A. The forces on an object are unbalanced. B. An object has balanced forces acting on it and constant velocity. c. The forces on an object are balanced and there is no motion. D.

What is the rate at which work is done in lifting a 35 kg object vertically at a constant speed of 5 m/s? 1 1700 W 2 340 W 3 180 W 4 7.0 W

The owner of a window treatment company wants to design Shades that will cover the windows of the house.

What direction of magnetic field lines inside my magnet