Multiple Choice
A ball is thrown straight up with an initial speed of 30 m/s. What is its speed after 4.2 s?
A) 72 m/s
B) 42 m/s
C) 30 m/s
D) 11 m/s
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q58: A sprinter runs 100.0 m. If he
Q59: A walker starts at the origin at
Q60: A runner runs 10 m from the
Q61: You drive your car 5.0 km due
Q62: A mouse is running away from a
Q63: The figure shows the graph of v<sub>x</sub>
Q64: A sprinter runs 100 m. If he
Q65: A walker walks 30 m from the
Q67: A runner starts from rest and with
Q68: Human reaction time is usually greater than