Which best describes projectile motion?

Constant vert. acceleration & constant horiz. velocity

Which of these statements are true?

The laws of Physics are the same everywhere in the Universe

Which of the following contains 2 vector quantities and 1 scalar?

Weight, Momentum, Kinetic Energy

The redshift of a galaxy can be calculated by...

Dividing the change of wavelength by the rest wavelength

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Higher Physics ODU

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Scottish Higher Our Dynamic Universe quiz

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Questions 18

Answers

1
When a mass (m) is on a slope, what is the component of the weight acting down the slope?
mcosθ
msinθ
mgcosθ
mgsinθ
2
What Electromagnetic Wave should be in the background of the Universe if the Big Bang happened?
Infrared
Radio
Ultraviolet
Microwave
3
When a bad wee boy drops a bag down the stairs, how can you calculate the bags final velocity?
v=u+√2as
v=√2gh
v=2gh
v2=u2+2as2
4
What are the units of momentum?
kg-1ms-1
kgms-2
kgms
kgms-1
5
Which of the following supports the theory of the Expanding Universe?
The Big bang
Redshift of Galaxies
Blueshift of Galaxies
Dark matter and energy
6
Which best describes projectile motion?
Constant vert. acceleration & constant horiz. velocity
Constant horiz. acceleration & constant vert. acceleration
Constant horiz. velocity & constant vert. velocity
Constant vert. velocity & constant horiz. acceleration
7
Which of these statements are true?
The laws of Physics are the same everywhere in the Universe
The laws of Physics change in across the Universe
The laws of Physics change when velocity > 3x107ms-1
The laws of Physics change depending on how fast you go
8
Which of the following contains 2 vector quantities and 1 scalar?
Velocity, Momentum, Weight
Speed, Kinetic Energy, Momentum
Weight, Momentum, Kinetic Energy
Work done, Velocity, Kinetic Energy
9
What are the units of Impulse?
kgms-2
Ns-1
kgms
Ns
10
What is Impulse equal to?
Change in kinetic energy
Change in potential energy
Change in velocity
Change in momentum
11
What are the units of displacement?
m2
m
ms-2
ms-1
12
The redshift of a galaxy can be calculated by...
Dividing the speed of light by the speed of the galaxy
Dividing the observed wavelength by the rest wavelength
Dividing the change of wavelength by the rest wavelength
Dividing the rest wavelength by the observed wavelength
13
A hotter star, compared to a cooler star, will have...
A shorter peak wavelength
A higher peak wavelength
A smaller mass
A longer lifetime
14
The Doppler Effect is the apparent change in frequency when there is relative motion between...
Observer and Source
Frequency and Speed
Observer and Frequency
Source and Speed
15
If a galaxy is moving towards us we would...
See a lower frequency light
See a longer wavelength light
Hear a higher frequency sound
See a higher frequency light
16
What is conserved during an elastic collision?
Momentum and Kinetic Energy
Kinetic Energy only
Momentum only
Momentum and Potential Energy
17
Hubble's law relates the recessional velocity of a galaxy and...
The speed of the galaxy
The distance to the galaxy
The age of the galaxy
The size of the galaxy
18
Which of following shows increasing prefixes (i.e. smaller to bigger)
η, μ, m, M
n, M, k, m
k, G, M, T
μ, M, k, G

Higher Physics ODU Flashcards | StudBud