with the wind a driver travels 300 mies in 5 hours. The return trip against the wind take the driver 6 hours. At what rate would thedriver travel without any wind What is the rate of thew ind?

2. A scooter moves at a speed of 36km/h is stopped by applying brakes which produce a uniform acceleration of, - 0.5m/s. How much distance will be covered by the scooter before it stops?

Which of the following is not a requirement of a practical fuel? A. It must be made up of elements that combine easily with oxygen. B. It must be in the solid state to be used. C. It must contain a large amount of stored energy. D.

A boy is swinging a yo-yo with mass 0.25 kg in a circle with radius 1 m at a speed of 6 m/s. What is the tension in the string connecting the yo-yo to the boy's finger, disregarding the effect of gravity? A. 20N B. 12N C. 35N D. 9N

Three professional wrestlers are fighting over a champion's belt, and each exerts a force on the belt. Wrestler 1 exerts a force F1 = 40.0 N in the + x-direction, wrestler 2 exerts a force F2 = 80.

A student pushes a 40-N block across the floor for a distance of 10 m. How much work was done to move the block? Question 3 options: 4 J 40 J 400 J 4,000 J

How does the angle at which a ray of light strikes a pane of window glass compare with the angle at which the light passes out the other side?

A 20 kg mass was lifted 3.0 m from the ground. What is the work being done on the mass?

Which type of energy is commonly referred to as kinetic energy? A) gravitational B) mass C) motion D) wind

A 60-gallon water heater is initially filled with water at 66°F. Determine how much energy, in Btu, needs to be transferred to the water to raise its temperature to 104°F. Given: The water properties at an average water temperature of 85ºF rho = 62.

Gayle cooks in her micwave