A hot-air balloon is descending at a rate of 1.9 m/s when a passenger drops a camera.

If the camera is 49 m above the ground when it is dropped, how much time does it take for the camera to reach the ground?

How can a bicycles kinetic energy change when it slows down?

A person wearing a blue shirt is standing in sunlight. What color (s) of light does the shirt reflect? What color (s) or light does the shirt absorb?

How do soils form? A. Plants provide organic matter and minerals to make soil. B. Erosion transports mineral particles, and plants die and decay. C. Plants cement mineral particles together to form soil. D.

What best explains why a person can become sunburned by spending too much time at the beach? Sunlight is an electromagnetic wave that gains energy as it travels through air to reach the person.

A block slides down a frictionless incline with constant acceleration. After sliding 6.80 m down, it has a speed of 3.80 m/s. What was the speed when the block had slid 3.40 m down? O 1.90 m/s O 2.69 m/s O None of the above

On a drive from one city to? another, victor averaged 39 mph. if he had been able to average 72? mph, he would have reached his destination 11 hrs earlier. what is the driving distance between one city and the? other?

A motorcycle has a constant speed of 24.3 m/s as it passes over the top of a hill whose radius of curvature is 182 m. The mass of the motorcycle and driver is 391 kg.

Discuss the relationship between acceleration. Are these scalar or vector quantities?

Which is the relationship between photon energy and frequency?

Two like charges are separated by some distance. Describe the quantitatively what will happen to the force exerted by one charge on the other ifa) the distance between the charges is doubledb) the distance between the charges is halvedc) one of the