A train travels 79 kilometers in 4 hours and then 65 kilometers in 3 hours what is it average speed

A 3047.8 kg truck has lost its brakes coming down a mountain. Fortunately, there is a ramp of thick gravel inclined at 9.5 degrees that the driver can use to stop the truck. The truck hits the ramp moving at 20.68 m/s and then travels 26.

An object is moving at 5 m/s and a few seconds later it is moving at 3 m/s. What had to have happened? A. The object's net force was 0 N. B. The object's acceleration increased. C. An unbalanced force acted on the object

An example of a land feature formed by river erosion is?

A golf club with 65J of kinetic energy strikes a stationary golf ball with a mass of 46g. The energy transfer is only 20% efficient. Calculate the initial speed of the golf ball

What is the acceleration of a car that maintains a constant velocity of 100km/h for 10 s

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

If the average movement of the particles in a sweater increases, what will happen to the sweater's temperature?

Will you die if you eat wax?