# NSO Level 1- Science Olympiad (SOF) Class 9: Questions 948 - 954 of 1128

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### Passage

An ice block of mass moving with a speed of struck with another ice block of mass , resting on a frictionless floor after forcing it to move ahead.

## Question 948 (2 of 3 Based on Passage)

### Question

MCQ▾

The initial acceleration of the second ice block would be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 949 (3 of 3 Based on Passage)

### Question

MCQ▾

Total momentum after collision would be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 950

### Question

MCQ▾

Proportional to the square of the time taken. This theory was introduced by

### Choices

Choice (4)Response

a.

Galileo Galilei

b.

Albert Einstein

c.

Archimedes

d.

Sir Isaac Newton

## Question 951

### Question

MCQ▾

Kavya is listening to a sound of at a distance of from the source of a sound. What is the time interval between successive compressions from the source reaches him?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 952

### Question

MCQ▾

If the driver applies breaks suddenly in a moving bus, what happens to the passengers?

### Choices

Choice (4)Response

a.

Move forwards

b.

Move sidewise

c.

Do not move

d.

Move backwards

## Question 953

### Question

MCQ▾

Which of the following is not a cause of starting motion?

### Choices

Choice (4)Response

a.

Pulling

b.

Pushing

c.

Hitting

d.

None of the above

## Question 954

### Question

MCQ▾

When you start walking on a road, which of the following force will help you to move forward

### Choices

Choice (4)Response

a.

The force that the ground exerts on your feet

b.

The muscular force you exert on the ground

c.

All of the above

d.

Question does not provide sufficient data or is vague

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