The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.8500.850 miles (1 mi = 1609 m) ?

An automobile engine develops a torque of 280 NxM at 3800 rpm. What is the power in watts and horsepower?

25pts The diagram shows the positions of the sun, moon and Earth during spring tides, when the high tides are at their highest and low tides at their lowest. What is it about these positions that causes these high and low tides?

How is the modern periodic table organized as one goes across a row from left to right? A) by decreasing number of valence electrons B) by increasing number of neutrons C) by increasing atomic number Eliminate D) by increasing atomic mass

A student places two charged objects in your each other. The objects repel each other. The student concludes that the object must both the negative. Do you agree? Explain.

An artillery shell is fired at an angle of 56.1 ◦ above the horizontal ground with an initial speed of 1660 m/s. The acceleration of gravity is 9.8 m/s^2. Find the total time of flight of the shell, neglecting air resistance. Answer in units of min.

Creates clouds, snow, sleet, rain and hail

Which type of radiation consists of a fast stream of negatively charged particles? a. alpha particles b. beta particles c. gamma rays d. positron particles

Range of motion is the distance an object can travel when separated from another object. T/F

If 500 thousand btus of energy are available to raise the temperature of a water boiler from 20°f to 100°f, how many gallons of water can be added to the boiler?

A woman pushes a 27 kg lawnmower at a steady speed. She exerts a 180 N force in a direction 31 degrees below the horizontal. The acceleration of gravity is 9.8 m/^2 Find the magnitude of the vertical force this lawnmower exerts on the lawn.