No student devices needed. Know more
25 questions
Velocity, Acceleration and Force are all
Vectors
Scalars
Neither
A new car travels with a uniform acceleration. It starts at rest and covers 400m in 16 seconds. Determine the cars final speed in m/s.
Sketch a velocity-time graph for the following position time graph.
A 6kg and 3kg mass are vertically attached to a frictionless pulley. If the the 6kg mass is initially 3.4m from the ground determine how long it takes to hit the ground. Answer to 2 decimal places
A 50g golf ball was stationary on the ground when it is hit by a 600g golf club travelling at 78m/s. If the ball leaves the club with a speed of 72m/s determine the velocity of the club after collision. Answer to 2 decimal places.
The shown force was applied to a 100kg sled. If it was initially at rest determine its final velocity. Answer to two decimal places.
What is the melting point of this substance?
0
100
175
-25
Heat is added at a constant rate of 6watts. Determine the latent heat of vaporization of this 5kg substance.
288
972
350
1020
Heat is added at a constant rate of 6watts. Determine the specific heat capacity of this 5kg substance in its liquid phase.
2.5
2.9
1.8
1.2
Determine how much energy is required to raise 3kg of water from 10 to 20 degrees. (c=4184)
Name the force holding the nucleus of an atom together (a)
Estimate the half life of the substance
5 days
5 years
10 days
15 days
Calculate when 96.5% of the substance will have decayed. Answer to 2 decimal places
Complete the following decay equation
Complete the following decay equation
The red and blue wave are interfering to form the black/green wave. This is an example of ......
Constructive interference
Destructive interference
Neither
Determine the mathematical relationship relating the sine of the incidence angle and the sine of the refracted angle.
An experiment was conducted to determine the refractive index of an unknown substance. The incident ray was in air (n=1). Determine the refractive index of the unknown substance, including absolute uncertainty.
The period of this wave is (a) (b) while the frequency is (c) (d)
Given that R1=10. R2 = 20. R3 = 40. The total resistance in this circuit is
70.22
13.33
23.33
0.175
Given that R1=10. R2 = 20. R3 = 40. B/V=20V. The Voltage drop in the 40 Ohm resistor is
62.14
11.43
23.33
0.175
A potential difference of 12V is used to generate a 750mA current for 5 minutes. Determine the energy transferred in this time.
Electrical Resistance of an object can be increased by
Decreasing length, decreasing cross sectional area and increasing temperature
Increasing length, decreasing cross sectional area and increasing temperature
Increasing length, increasing cross sectional area and decreasing temperature
Increasing length, increasing cross sectional area and increasing temperature
A car travels 3km east then 4km north. Which statement is true.
The distance and displacement are the same
The distance is greater than the displacement
The displacement is greater than the distance
What is the pass mark for physics?
40%
48%
49%
50%
Explore all questions with a free account