science
Grade-9
Easy
Question
An object starts from rest. The y-intercept of its v-t graph is ___
- > 0
- < 0
- = 0
- None of the above
Hint:
= 0
The correct answer is: = 0
An object starts from rest. The y-intercept of its v-t graph is equal to zero as the body was at rest hence, the initial velocity is zero.
Related Questions to study
science
The displacement of the body whose v-t graph is given below is ____ m.
The displacement of the body whose v-t graph is given below is ____ m.
scienceGrade-9
science
A ball is dropped from the top of a building of height 80 m. Considering the acceleration due to gravity of the Earth to be 10 m/s2, the velocity of the ball right before it touches the ground is ____ m/s.
A ball is dropped from the top of a building of height 80 m. Considering the acceleration due to gravity of the Earth to be 10 m/s2, the velocity of the ball right before it touches the ground is ____ m/s.
scienceGrade-9
science
A car moving at a velocity of 5 m/s accelerates to 25 m/s while covering a distance of 1.8 km. The acceleration of the car is ___ m/s2.
A car moving at a velocity of 5 m/s accelerates to 25 m/s while covering a distance of 1.8 km. The acceleration of the car is ___ m/s2.
scienceGrade-9
science
The acceleration of the body whose v-t graph is given below is ____ m/s2.
The acceleration of the body whose v-t graph is given below is ____ m/s2.
scienceGrade-9
science
Which of the following quantities cannot be calculated by directly using the third equation of motion?
Which of the following quantities cannot be calculated by directly using the third equation of motion?
scienceGrade-9
science
Which of the following quantities does the first equation of motion not have?
Which of the following quantities does the first equation of motion not have?
scienceGrade-9
science
A ball is thrown upwards. If the reference direction is taken to be downwards, the acceleration of the ball is ___ m/s2.
A ball is thrown upwards. If the reference direction is taken to be downwards, the acceleration of the ball is ___ m/s2.
scienceGrade-9
science
Using the first equation of motion u = _____.
Using the first equation of motion u = _____.
scienceGrade-9
science
Using the first equation of motion a = ____.
Using the first equation of motion a = ____.
scienceGrade-9
science
A ball is dropped from the top of a building. If the reference direction is taken to be downwards, the acceleration of the ball is ___ m/s2.
A ball is dropped from the top of a building. If the reference direction is taken to be downwards, the acceleration of the ball is ___ m/s2.
scienceGrade-9
science
Which of the following quantities cannot be calculated by directly using the first equation of motion?
Which of the following quantities cannot be calculated by directly using the first equation of motion?
scienceGrade-9
science
1 minute = ____ seconds.
1 minute = ____ seconds.
scienceGrade-9
science
1 km = ___m.
1 km = ___m.
scienceGrade-9
science
Which of the following is called the position-velocity relation?
Which of the following is called the position-velocity relation?
scienceGrade-9
science
1 km/h = ___ m/s.
1 km/h = ___ m/s.
scienceGrade-9