The speed of a stream is 6 mph. if a boat travels 54 miles downstream in the same time that it takes to travel 27 miles upstream, what is the speed of the boat in still water

Why is hydrogen placed on the left side of the periodic table even though it is a gas

What simple machines would you find in a kitchen?

A 3.8 kg block of copper at a temperature of 84°C is dropped into a bucket containing a mixture of ice and water whose total mass is 1.2 kg. When thermal equilibrium is reached the temperature of the water is 8°C.

The U. S. has an alternating current frequency of 60 Hz. China has an alternating current frequency of 50 Hz. This means that the number of times voltage cycles in a minute in the U. S. is greater than the number of times voltage cycles in China.

A quarterback throws a pass at an angle of 35◦ above the horizontal with an initial speed of 25 m/s. the receiver catches the ball 2.55 s later. determine the distance the ball was thrown.

Why are tyres of formula one is different from four wheels drive?

The slope of a velocity versus time graph gives

Which of the following describes subatomic particles? carbon and nitrogen solids, liquids, gases larger than atoms protons, neutrons, and electrons

What is the difference between speed and velocity? A) velocity describes speed with direction. B) there is no difference. C) Velocity describes direction with position. D) Velocity is used in space, while speed is used on earth.

How do you calculate resistance with coulombs, time and J's?