Ignoring air resistance, if you throw a baseball from first base upwards toward a friend in left field, and the baseball leaves your hand at a speed of 15 meters per second, how fast will the ball be going when your friend catches it?

Which of the following is NOT a function of cerebrospinal fluid (CSF) ? protect the brain remove wastes from brain tissue maintain high intracranial pressure increase the buoyancy of the brain.

In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. assume that a 64 kg skater goes around the turn at a constant 13 m/s. what is the horizontal force on the skater?

Which shows the order of mechanical advantage from least to greatest?

A ship on the surface of the ocean receives a sonar echo back from an underwater object. The echo path from the object to the ship is at an angle of 35 degrees above the horizontal and takes 3s to return. (Velocity of sound in sea water = 1500m/s).

What would happen if we didnt use units when measuring?

Distracted driving laws have been put in place due to scientific studies that have shown the dangers associated with wireless technology. DDT. plastics. vaccines.

An electric circuit consists of a variable resistor connected to a source of constant potential difference. If the resistance of the resistor is doubled, the current through the resistor is (1) halved (3) quartered (2) doubled (4) quadrupled

If it takes 20n to move a box, how much power will be needed to move the box a diatance

What type of rock forms due to heating and cooling?

If a body of mass 10 kg is pushed with a force of 15N, then the acceleration of the body is