Answer to Question #296247 in Physics for kazi

Question

1.) A fake 10-peso coin was thrown downward with an initial velocity of 2.2 m/s. After how many seconds will the coin have a velocity of 12 m/s?

a. 1.5 s

b. 1 s

c. 2 s

d. 0.5 s

2.) Barathram walks 2 m north, then 5 m south, then 3 m north. What is his overall displacement?

a. 2.83 m

b. 10 m

c. 0 m

d. 4 m

3.) When Rylay kicks a sipa, what is the acceleration of the sipa when it reaches its highest point?

a. 19.6 m/s

b. 9.8 m/s²

c. 0

d. 98 m/s

4.) During New Year's Eve, a bullet was fired directly upward with an initial velocity of 80 m/s. What was its velocity when it reached the ground? Neglect the height of the irresponsible person who fired the bullet.

a. 0

b. 80 m/s

c. 160 m/s

d. 640 m/s

Answer 1

1. Answer: b. 1 s

2. Answer: b. 10 m

3. Answer: b. 9.8 m/s²

4. Answer: b. 80 m/s