Distance, Speed, Time
Calculate the speed of an object which covers a distance of 100m in 4 seconds.
25m/s
An aircraft accelerating for take-off takes 20 seconds to go from stationary (u = 0) to take-off speed of 35 m/s. What is its rate of acceleration?
1.75m/s2
A person is sitting on the train and all of a sudden it hits the breaks. Which direction will the person fall.
Forward.
In physics, energy is measured in the units of _______
Joules
What is this: "the change in position of an object in a specified direction"
Displacement
Calculate the distance an object travels in 4 seconds if it is moving at 24 metres per second.
96m
A car was travelling at 5.0 m/s. Then it accelerated to a final velocity of 30 m/s over a period of 10s. What is the rate of acceleration?
2.5m/s2
A 50 kg skater pushed by a friend accelerates 5 m/sec2. How much force did the friend apply?
250N
________ energy exists whenever an object which has mass has a position within a force field
Potential
A scalar is a _______ quantity that is specified in terms of a single number or magnitude.
Physical
Calculate the time an object travelling at 10m/s takes to travel a distance of 150m.
15 seconds
A Year 10 student sprinted through the entire opposition touch football team in 14 seconds. From a stationary start, the student increased to a top speed of 36km/h. What was their rate of acceleration?
0.714m/s2
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
100m/s2
Calculate the potential energy of a 10kg book that is placed on a shelf that is 2.5 meters high.
245J
________ is the measure of how far an object has moved.
Distance
Calculate the time an object travelling at 8m/s takes to travel a distance of 0.136km
17 seconds
An airplane is travelling from Brisbane to Rockhampton. The pilot decides that they need to speed up the trip so they start to fly even faster. The initial velocity the aeroplane is travelling is 50 m/s, the acceleration is 5.2ms2, and the time of acceleration is 5 seconds. Calculate the final velocity of the aeroplane
76m/s
A bowling ball rolled with a force of 15 N accelerates at a rate of 3 m/sec2; a second ball rolled with the same force accelerates 4 m/sec2. What are the masses of the two balls?
5kg and 3.75kg
Determine the kinetic energy of a 625-kg roller coaster car that is moving with a speed of 18.3 m/s.
104653J
A person walks 2km North, 4km East, and then 2km South. What is their total distance?
8km
Calculate the distance an object travels in 6 seconds if it is moving at 2.5km/h
4.16
Boba Fett was chasing after Han Solo in his Slave 1 ship. The chase lasted 1 minute and 24 seconds. Boba Fett began the chase at a speed of 30km/h and ended the chase going 132km/h. What was his average rate of acceleration in m/s?
Calculate the force required to move a 30kg object from resting to 45km/hr in 3hrs
1620
A school bus traveling at 40 km/hr has a momentum of 152625 kg.m/s. What is the mass of the bus?
13,737kg
A person walks approximately 2km North, approximately 4km East, and then approximately 2km South. What is their final displacement?
4km East