1.
What is the gravitational force between two masses of 10 kg each separated by a distance of 1 m? (G = 6.67 × 10⁻¹¹ N m²/kg²)
A
6.67 × 10⁻⁹ N
B
6.67 × 10⁻¹⁰ N
C
6.67 × 10⁻¹¹ N
D
6.67 × 10⁻⁸ N
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What is the gravitational force between two masses of 10 kg each separated by a distance of 1 m? (G = 6.67 × 10⁻¹¹ N m²/kg²)
6.67 × 10⁻⁹ N
6.67 × 10⁻¹⁰ N
6.67 × 10⁻¹¹ N
6.67 × 10⁻⁸ N
A resistor of 10 Ω is connected across a 5 V battery. What is the current through the resistor?
50 A
2 A
0.5 A
5 A
What is the speed of light in a vacuum?
3 × 10⁸ m/s
3 × 10⁶ m/s
3 × 10¹⁰ m/s
3 × 10⁴ m/s
A force of 20 N displaces a body by 5 m in the direction of force. What is the work done?
4 J
25 J
100 J
50 J
A body starts from rest and accelerates uniformly at 4 m/s². What is its velocity after 5 seconds?
10 m/s
20 m/s
25 m/s
15 m/s