True or False
1. The rate at which velocity changes with time is called acceleration.
2. Even though a car is slowing down, it is still accelerating, in the most general definition of acceleration
3. Mass is a vector quantity
4. The brightness of the stars dependent on its size and distance.
5. Momentum is defined as an object's mass times its velocity.
6. Helium is the most abundant gas present in stars.
7. Based on the spectral emission, the Sun is classified with the code F.
8. It was William Huggins who discovered that stars are moving and changing their positions.
9. A bicycle and a parked car have a head-on collision. The force of impact is greater on the bicycle.
10. Based on Hipparchus' description, the brightest star has the magnitude of 6
1. The rate at which velocity changes with time is called acceleration.
2. Even though a car is slowing down, it is still accelerating, in the most general definition of acceleration
3. Mass is a vector quantity
4. The brightness of the stars dependent on its size and distance.
5. Momentum is defined as an object's mass times its velocity.
6. Helium is the most abundant gas present in stars.
7. Based on the spectral emission, the Sun is classified with the code F.
8. It was William Huggins who discovered that stars are moving and changing their positions.
9. A bicycle and a parked car have a head-on collision. The force of impact is greater on the bicycle.
10. Based on Hipparchus' description, the brightest star has the magnitude of 6
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Answer:
1. true
2. true
3.false
4.true
5.false
6.false
7.true
8.true
9.false
10.true
Explanation:
correct if im wrong!