The symbols for elements have either

The force of gravity that earth exerts on objects in our solar system causes:

How do you calculate the surface area and pressure in hydraulics in slave and master pistons using this example? E. g. master piston pressure = 20N and the surface are is 10cm² and the slave piston's pressure is 60N.

An unknown force pushes a 17 kilogram block across a smooth (frictionless) floor. three seconds after the force is first applied to the block, the block is moving with a speed of 6 meters per second. what is the magnitude of the unknown force?

A wave has wavelength of 4.8 meters and frequency of 2.5. what is the speed? Velocity = Frequency x Wavelength A. 12 B. 15 C. 1.9 D. 0

A spaceship travels at 1,321 km/h. How many miles can it travel in 6.19 seconds?

How was helium first discovered? mining of the radioactive element uranium using spectral analysis of the Suns' emission spectra o hubble obtaining samples from explosions off the surface of the sun deep sea mining off the coast of Texas

If you get something in your eyes in the lab, what is the most important thing to do?

In the physics of motion a force acting over a distance is?

What is the resistance of a clock if it has a current of 0.30 a and runs on a 9.0-v battery? 0.033 2.7 9.3 30

A child is sledding. He starts at the top of the hill with a velocity of zero, and 3 seconds later he is speeding down the hill at 12 meters per second. What is the child's acceleration?