Hi partial sum addition I have a problem 245 + 92 is 200 + 90 or do I do 200 + 100

Two planets, planet A and planet B, have the same surface gravity. However, planet B has twice the radius of planet A. How does the mass of planet B compare to the mass of planet A? A) The mass of planet B is one-fourth the mass of planet A.

Marys airplane trip took 5.8 hours for one-half of that time, the airplane flew at a constant speed of 640 miles per hour and for the rest of the time, it flew at a speed of 580 mph. what distance did mary travel?

Describe the physics behind how a magnet is slowed while falling through a copper tube. If a long slit were cut along the copper tube how would the magnet behave as it falls?

Who is the first person to trace the characteristics of successive generations of a living thing?

So Mass = 108 g Volume = 12 cm3 What is the Density =

Pushing a rock from a hill top is called

What is a pulsar? a. the remains of a low-mass star after it explodes b. a spinning neutron star emitted radio waves c. another name for a protostar d. the stage before a dying star becomes a supernova

Can we divide two vectors?

Discuss the relationship between amperage, voltage, and power.

A ray of yellow sodium light enters water from air with an angle of incidence of 45°. What is the angle of refraction?