A 5 m long, 3.5 m broad and 80 cm deep well is dug What is the volume of the earth taken out of it ?

A particle is moving eastwards with a velocity of 5 ms^–1 in 10 seconds the velocity changes to 5 ms^–1 north-wards. The average acceleration in this time is

A car with a vertical wind shield moves along in a rain storm at speed of 40 km h^–1. The rain drops fall vertically with a terminal speed of 20m s^–1. The angle at which the rain drops strike the wind shield is

The resultant of the three vectors shown in figure.

Given that . And makes angle with and with . Which of the following relations is correct?

Resultant of the two vector is of magnitude P. If is reversed, then resultant is of magnitude Q. What is the value of P2 + Q2 ?

In the figure, equals

Two vectors A and B are such that A+B=C and A₂+B₂ = C₂. Which of the following statements is correct?

A particle is moving eastward with a velocity of 5 m/s. In 10 seconds, the velocity changes to 5 m/s northwards. The average acceleration in this time is

A truck travelling due north at 30 m/s turns west and travels at the same speed; then the change in velocity is

Two forces each numerically equal to 10 dynes are acting as shown in the following figure, then the resultant is

Find the number of non-colinear vector producing zero resultant.

Volume of a Cuboid is 30 cm³ and its = 5 cm, b = 3 cm Find its height

Therefore, the height of the cuboid is 2 cm.

Find the altitude of a triangle whose base is 20 cm and Area is 150 cm²

Therefore, the height of the triangle is 15cm.

ABCD is a Parallelogram DL AB and DM BC If AB = 18 cm, BC=12 cm and DM = 9 cm then find DL .

ABCD is a Parallelogram, DL AB If AB = 20 cm, AD = 13 cm and area of the Parallelogram is 100 cm², find AL.