Forces and Motion:Question 2 Student 1 rides in a moving car and observes a bus traveling east. She estimates
that it is traveling at a rate of 20 kilometers per hour (km/h). Student 2 is standing
on the sidewalk and observes the same bus at the same time. She estimates that
it is moving east at a rate of 50 km/h.
Bus
Student 1
Student 2
Which best explains this difference?

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?