Physics, 29.04.2021 17:10, kenziepickup
1. A ball is released at rest, from a height of 5 m. About how long will it take for the ball to reach the ground? 6. Th A) 0.5 s B) 0.66 s C) Is du D) 1.33 s E) 1.66 s A 2. A car is traveling with a velocity of 5 m/s along a straight road. Another car starting at rest 250 m E behind it begins to accelerate uniformly. What is the 7.1 magnitude of its acceleration if it catches the first car after 10 seconds? A) 0.5 m/s B) 1 m/s2 C) 2 m/s2 D) 2.5 m/s2 E) 6 m/s2 3. A bullet is shot from a rifle. If the barrel is one meter long, and the muzzle velocity is 100 m/s, which of the following quantities can we derive? A) The distance the bullet travels before landing B) The average acceleration of the bullet C) The mass of the bullet D) The energy of the bullet E) The force exerted on the bullet 4. An object has a non-zero acceleration. Of the following, which could be constant? I. speed II. kinetic energy III. linear momentum A) I only B) I and II only C) I and III only D) II only E) II and III only 5. An archer shoots an arrow straight up from the surface of the Earth. When the arrow reaches its maximum height, which of the following would be zero? 1. speed Il velocity III. acceleration​
Answers: 2
Physics, 22.06.2019 09:00, kiarajack456
Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.
Answers: 1
Physics, 22.06.2019 15:40, byronanderson
If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
Answers: 1
1. A ball is released at rest, from a height of 5 m. About how long will it take for the ball to rea...
Mathematics, 06.05.2021 20:30
Mathematics, 06.05.2021 20:30
Mathematics, 06.05.2021 20:30
History, 06.05.2021 20:30
Social Studies, 06.05.2021 20:30