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i have like an hour and a half to answer these
a passenger in the rear seat of a car moving at a steady speed is at rest relative to
a. a car coming from the opposite direction.
b. the front seat of the car.
c. a pedestrian on the corner ahead.
d. the side of the road.
a river current has a velocity of 10 km/h relative to the shore, and a boat moves in the same direction as the current at 10 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?
a. by adding the vectors
b. by multiplying the vectors
c. by subtracting the river current vector from the boat’s velocity vector
d. by dividing the river current vector by the boat’s velocity vector
a horizontal line on a distance-time graph means the object is
a. slowing down.
b. moving faster.
c. at rest.
d. moving at a constant speed.
a motorcycle travels 850 meters in 14 seconds. what is its average speed?
speed is the ratio of the distance an object moves to
a. the motion of the object.
b. the amount of time needed to travel the distance.
c. the direction the object moves.
d. the displacement of the object.
a train travels 62 kilometers in 4 hours, and then 93 kilometers in 5 hours. what is its average speed?
Answers: 3
Physics, 22.06.2019 13:00
Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
Answers: 3
Physics, 22.06.2019 18:30
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
Answers: 1
Physics, 23.06.2019 00:30
Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving
Answers: 1
Needed asap
i have like an hour and a half to answer these
a passenger in the rear...
i have like an hour and a half to answer these
a passenger in the rear...
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