Author Question: Is more work required to increase a car's speed from rest to 30 mph, or from 50 mph to 60 mph? ... (Read 20 times)

mikaylakyoung · **on:** Jul 27, 2018

Is more work required to increase a car's speed from rest to 30 mph, or from 50 mph to 60 mph?

What will be an ideal response?

Question 2

An Olympic athlete throws a javelin at four different angles above the horizontal, each with the same speed: 30, 40, 60, 80. Which two throws cause the javelin to land the same distance away?

A) 40 and 80
B) 30 and 80
C) 40 and 60
D) 30 and 60
E) 35 and 65