A person, with a mass of 50.0 kg, stands on a weighing scale in a lift which is moving

upwards with a uniform acceleration of 5.0 m/s

2

. What would be the reading on the

scale?

(A) 490 N (B) 250 N (C) 740 N (D) 240 N

Which of these occur as part of gravitational redshift? Check all that apply. wavelength of light lengthenswavelength of light shortensfrequency of light increasesfrequency of light decreaseslight observed on Earth appears more red light observed on

If you hit a bag with 40 N of force, how much force does the bag exert on your hand

A spherical planet has twice the mass and twice the radius of the earth. if a man weighs 810 n on earth, what would his weight be on the surface of that planet?

Why does an object hover over a large magnet

This is the simplest type of fold where the rock bends like this: a. syncline b. dome c. anticline d. monocline

Which are the most common producers in aquatic ecosystems? a - bacteria b - algae c - fish d - plants

You push a piano 5 meters across the floor with a force of 400 n. how much work have you done?

Monochromatic electromagnetic radiation illuminates an area of a surface. The electric and magnetic fields of the waves are then doubled in magnitude.

The measure of the force of gravity on an object, expressed as mass of the object times acceleration due to gravity is called

Which of the following jobs does not require good swimming ability