A ball is thrown vertically upward. It is a speed of 10 m/s. When it has reached one half of its maximum height. How high does the ball rise? (g = 10 ms^-2)

Which of the following graph represents the equation y = mx?

An object is dropped from rest. Its v - t graph is ______________.

One radian is equal to _______________.

If the coordinate axes (x, y, z) are drawn in anticlockwise direction then the co-ordinate system is known as ______________.

In a vernier caliper, n divisions of vernier scale coincides with (n - 1) divisions of main scale. The least count of the instrument is ______________

A monkey is descending from the branch of a tree with constant acceleration. If the breaking strength is 75% of the weight of the monkey, the minimum acceleration with which monkey can slide down without branch is ______________

A student measures the distance traversed in free fall of a body, initially at rest, in a given time, He uses this data to estimate g, the acceleration due to gravity, If the maximum percentage errors in measurement of the distance and the time are e₁ and e₂ respectively, the percentage error in the estimation of g is ______________.

A body of mass M hits normally a rigid wall with velocity V and bounces back with the same velocity. The impulse experienced by the body is ______________.

Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius \(\frac { r }{ 3 } \) and the lighter one in radius r. The tangential speed of lighter stone is n times that of the value of heavier. stone when they experience same centripetal forces. The value of n is _______________.

A body of mass 'm' rests on a horizontal plane. It the angle of friction is ፀ, the least force required to move the body along the plane is (g = acceleration due to gravity).

A body is moving in a circular path with acceleration a. If its velocity gets doubled, find the ratio of acceleration after and before the change ________________.

Which of the following is the dimension of coefficient of friction?

According to the conservation of linear momentum ________________.

A butterfly and stone (mass of later is greater than earlier) is moving with same velocity. Momentum of the stone is____________ than the momentum of butterfly.

Two blocks m₁ = 5gm and m₂ = 10gm are hung vertically over a light frictionless pulley as shown here. What is the acceleration of the masses when they are left free? (where g is acceleration due to gravity)

If the length of the second hand in a stop clock is 3cm. The angular velocity and linear velocity of the tip is _______________

If \(\bar A\) and \(\bar B\) denotes the sides of a parallelogram whose area is \(\frac{1}{1}\left| A \right|\left| B \right|\) the angle between \(\bar A\) and \(\bar B\) is _______________

Which law gives a method of measuring force?

How many degrees make a one newton?

A rocket with a lift off mass 2.5 \(\times\) 10⁴ kg is blast upward with an initial acceleration of 5m/s². Then the initial thrust of the blast is ______________.

Momentum is closely related to _______________.

Which unit is used to measure size of a nucleus?

If one object is dropped vertically downward and another object is thrown horizontally from the same height, then the ratio of vertical distance covered by both objects at any instant t is

If \(\pi=3.14,\) then the value of \({\pi}^{2}\) is