Two boat landings are 6 km apart on the same bank of a stream that flows at 2.3 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water?

Which of the following is a responsibility of citizens? a. home ownership c. educational participation b. jury duty d. getting a driver license

The external cover of aeroplane is made up of aluminium instead of iron. Why?

Benjamin Franklin has convinced his hapless assistant Mike Piepan to participate in an experiment on electiricty. Ben has set up lightning rod, the rod of which extends into his laboratory. MIke is suspended from the ceiling by an insulating rope.

The unit light-year is a measure of A. time. B. temperature. C. brightness. D. distance.

As an erosional process, how is mass wasting unique compared to wind, water, and ice? Mass wasting affects particles of all sizes whereas the others affect only smaller particles. Mass wasting does not require a transporting medium.

When the speed of something is the same what is that called

Describe a process that converts chemical energy to thermal energy

A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. Since a lot of damage is done on the car : Select one: a. the force on the truck is smaller than the force on the car. b.

Acceleration can be best described as: The ability of an object to stay still. The ability of an object to speed up. The ability of an object to stop. The ability of an object to slow down.

A carnot engine rejects 80 mj of energy every hour by transferring heat to areservoir at 10°c. determine the temperature of the high-temperature reservoir and the power produced if the rate of energy addition is 40 kw.