Which of the following changes can happen when the forces on an object are unbalanced?

a. The object speeds up

b. the object slows down

c. the object changes direction

d. all of the above

Section 1 - Question 2 Which explains why electromagnetic waves from the sun can be harmful, but electromagnetic waves from microwaves are not? A Electromagnetic waves from the sun have a shorter wavelength, but more energy.

Which of the following is an example of a material whose atoms strongly hold on to electrons

What is your mass in kilograms if you weigh 120 pounds

5. A 13-N force and a 23-N force act in the same direction on an object. What is the net force on the object?

Write a conclusion about the relationship between wavelength and amplitude?

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

If the average movement of the particles in a sweater increases, what will happen to the sweater's temperature?

Will you die if you eat wax?