التدريب الأول على الامتحان التجريبي لمادة | Physics

Which one of the following lists contains only SI base units?

1/ 8640 of the average solar day

iron of density 7800 Kg/m³. Find :The density gr/ltr

Any object of mass ?moving with a constant angular velocity in a circular path of radius ? experiences a centripetal force  ?=?? ⁿ/? . Find the value of the power, ?,using the dimensional formula.

Find the relative error in estimating the volume of a cube of side length 5 cm given that the relative error in estimating its length is 0.01, then find the absolute error in this case. ……………cm³

When measuring the uniform velocity of a body, the distance was (40 ± 2) m and the time was (5 ± 1) s, the absolute error in measuring the velocity. ………………..m/s

An empty large box of mass (20 ± 0.01) kg, so when a man sits inside it ,the mass of the man and box (0.1±0.001)ton, the mass of the man……..

Which of the following lists comprises three vector quantities?

Two forces of magnitudes 8 N and 6 N are applied to a point. Which one of the following could not be the magnitude of their resultant?

The following table presents the relation between the distance (d) traveled by an object and the time (t) required for covering this distance.

Draw a graph relating d and t, then answer the following questions:

The object moves with:

The following table presents the relation between the distance (d) traveled by an object and the time (t) required for covering this distance.

The object moves with:

A motorboat heads due east at 5.0 m/s across a river that flows toward the south at a speed of 5.0 m/s.

What is the resultant velocity relative to an observer on the shore?

A motorboat heads due east at 5.0 m/s across a river that flows toward the south at a speed of 5.0 m/s.

If the river is 125 m wide, how long does the boat take to cross the river?

A car took 4 seconds to have a velocity nine times initial velocity. The acceleration of its motion is numerically equal to …….its initial velocity.

Which case of the following case is impossible to happen? …