What is the reason that a fixed pulley makes work easier

What two traits must a viable hypothesis have

An electric ell develops a 450V potential difference between its head and tail. The eel can stun a fish or other prey by using this potential difference to drive a 0.80 A current pulse for 1 ms.

10) T F Two unequal weights are connected by a massless string which passes over a frictionless pulley.

Which of the following is a common sports injury? Question 9 options: A) Stroke B) Heart attack C) Blood clot D) Bruises

A car accelerates from 25ms to 40ms in 5 seconds. What is the average velocity?

How many substances/elements are on the periodic table?

You are pulling a 80 kg box with a rope. The force you exert on the box is 90 N at 30 degrees from the ground. What would be the coefficient of kinetic friction if the box is moving at constant velocity?

If you wanted to calculate the density of a baseball and you knew its mass and volume you would need the density formula and a (n) - A. calculator B. triple-beam balance, the formula for the volume of a sphere and a calculator. C.

If the temperature of the steam in a pwr is 315°c (600°f), what is the maximum efficiency obtainable from the power plant?

Which statement best describes the long-term effects of using non-renewable resources? A. Burning fossil fuels pollutes the environment. B. Fossil fuels burn clean, reducing air pollution. C.