Show:
Motion
acceleration
Velocity
speed
Bonus
100
A train covers 60 miles between 2 p.m. and 4 p.m. How fast was it going at 3 p.m
The speed is traveled distance (60 miles) divided by traveled time (4pm – 2pm = 2hours): 60 miles ______ = 30 mph 2 hours
100
Whats an example of increasing speed?
Cars speeding up at a green light.
100
what is velocity?
Velocity is the speed and direction of an object
100
Is speed usually constant or not?
speed is usually not constant
100
7.2
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
200
a reference point is one that is not what?
a reference point is one that is not moving
200
What is an example of decreasing speed?
An example of that would be cars slowing down or stopping.
200
What is the difference between speed and velocity?
Speed is distance and time.Velocity is direction
200
40 seconds
A police car accelerates quickly to 60 meters per second in order to pursue a minivan that is recklessly speeding along the highway at 45 meters per second. How long will it take the police car to catch up if the minivan is 600 meters ahead of the police car at the beginning of the chase?
200
120 kmph
A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:
300
The scale of a map can be used to find the _____ between different locations.
The scale of a map can be used to find the distance between different locations.
300
What is an example of a car changing direction?
An example of a car changing direction would be a car taking a turn
300
A car travels at uniform velocity a distance of 100 m in 4 seconds. What is the velocity of the car?
25 m/s
300
Speed is a way of measuring how quickly something is moving or being done, or something moving fast. An example of speed is a car being driven 45 miles per hour. An example of speed is someone cleaning a room in 10 minutes.
What is the meaning of speed?
300
720 kmph
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1hours, it must travel at a speed of
400
An object is in motion if it changes position relitive to a reference ____.
An object is in motion if it changes position relitive to a reference point.
400
Whats the formula for acceleration?
The formula for acceleration is final speed-initial speed ___________________ time
400
A sailboat is traveling north at 10 km/h, relative to the water. The water is flowing west at 5 km/h, parallel to the shore. What is the velocity of the sailboat relative to ground, and what is the angle of travel that the sailboat makes with respect to the shore?
11.18 km/h, 63.43 degrees or 26.57 degrees
400
A car travelling with of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.
35 km/hr
400
10
Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
500
A change in position compared to a reference point
What is motion?
500
What is the units of acceleration
The units of acceleration is meters per second squared
500
A plane needs to reach a velocity of 300 km/h relative to the air in order to take off. If there is a wind blowing at 80 km/h in the direction opposite to take off, what velocity must the plane reach relative to ground in order to take off.
220 km/h
500
5 kmph
In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is
500
40
A man covered a certain distance at some speed. Had he moved 3 kmph faster, he would have taken 40 minutes less. If he had moved 2 kmph slower, he would have taken 40 minutes more. The distance (in km) is: