An object with a mass of 2 kilograms is accelerated at 5 m/s2.

The net force acting on the object is

The proton is a hadron consisting of three quarks: A. u, u, d B. c, u, d C. u, d, d D. c, c, u

The primary organ of the digestive system that produces digestive enzymes is the:Small intestine Liver Gallbladder Pancreas

Bears and coyotes both consume large plant-eating mammals such as deer. When the deer are in short supply, bears and coyotes may fight over the prey. This type of biological interaction is called

A freight car moves along a frictionless level railroad track at constant speed. The freight car is open on the top. A large load of sand is suddenly dumped into the freight car.

The gravitational force exerted on a baseball is 2.21 N down, a pitcher throws the ball horizontally with velocity 18.0 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 170 ms. the ball starts from rest.

An electron and a proton have charges of an equal magnitude but opposite sign of 1.6 x 10-19 C. If an electron and proton in a hydrogen atom are separated by a distance of 5 x 10-11 m, (a) what is the magnitude of the force exerted on the electron

As an object increases in altitude, its mass: A. increases B. decreases C. remains the same

How much heat is absorbed by a 27g iron skillet when its temperature rises from 13oC to 23oC?

What are 90 percent of the stars in space called?

A sheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200 C and is permitted to achieve a steady-state diffusion condition.