Three ways machines make work easier

A proton and an antiproton each with total energy of 473 GeV collide head-on. What is the total energy released? Answer in units of GeV

A flatbed truck is carrying a heavy crate. the coefficient of static friction between the crate and the bed of the truck is 0.75.

2. How much of the world's electricity currently comes from coal? Select one: a. 25% b. 40%. гоо оо. с. 50% d. 75%

A balloon is expanded to the same volume as that of a human head. Do an order-of-magnitude estimate of the volume of this balloon in cm3.

Rank the following compounds in order of decreasing vapor pressure. Rank from highest to lowest vapor pressure

Convert 255 cm to meters, millimeters, and kilometers

7.) A car starts from rest and accelerates uniformly at 1.7 m/s/s. How long will it take the car to reach a speed of 34 m/s? A 200 s B 58 s C 20 s D2 s

A wheelbarrow is an example of what type of lever

Why is it necessary to evaluate an experiment

A positive charge Q1 = 34 nC is located at the origin. A negative charge Q2 = - 5.5 nC is located on the positive x-axis p = 15 cm from the origin. Calculate the location of x axis in cm where electric field is.