Homework Statement
1. If an object is shot in a projectile path and its initial and final height is the same what is true.
2. If a rocket vertical is landing on the moon it shoots a bit of the rocket fuel while landing what is the correct Free body diagram.
The Attempt at a...
Homework Statement
pushing an armchair across a carpeted or at constant speed v you apply a force of 100N
if you push same chair at constant speed 2v(twice as fast) you mush push with a force?
a)100N
B)141N
The Attempt at a Solution
Newtons second law? if the net force acting on...
Homework Statement
1.A 140 kg man pushes a 90 kg man. They are first motionless, as they push larger man moves smaller one backwards.
which statement is correct.
a)forces are always equal
b) larger wrestles always exerts larger force
c)when they are motionlesss forces are equal but as they...
PROBLEM 5: A bird is flying due north with a speed of 15 m s. A train is traveling due east with a speed of 15 m s. What are the magnitude and direction of the velocity of the bird from the point of view of a passenger in a trai
ok so I got an answer of 21.2 m/s 45 degree west of north...
Homework Statement
A tuning fork is set up near the end of an air filled tube(open at both ends) of variable length. By changing the length various position of maximum loudness( resonances) can be found. The difference in tube length between adjacent maxima is found to be 10.0 cm
a) wavelength...