Under ideal conditions, a projectile with a given initial speed at an angle of 15° has the same range as a projectile at an angle of ______________ with the same initial speed
Fill in the blank(s) with correct word
75°
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Constant Acceleration Kinematics: Starting from rest, a dragster travels a straight 1/4 mi racetrack in 6.70 s with constant acceleration. What is its velocity when it crosses the finish line?
A. 269 mi/h B. 188 mi/h C. 296 mi/h D. 135 mi/h
Does Venus have auroras around its poles, like Earth? Why or why not?
A) no, because it lacks a global magnetic field B) yes, because it is bombarded by charged particles from the Sun C) no, because its atmosphere is too thick D) yes, because strong winds generate light near its poles
The amount of heat transferred between two reservoirs depends on the temperature difference between them
What will be an ideal response?
Mass on a Spring: A 51.8-kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. If the period of oscillation is 11.2 s, what is the spring constant (force constant) of the bungee cord?
A. 16.3 N/m B. 19.6 N/m C. 26.1 N/m