Q.20

Expert-verifiedFound in: Page 155

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

FIGURE EX shows the velocity graph of a kg passenger in an elevator. What is the passenger’s weight

a. At s?

b. At s?

c. At s?

a. The passenger weight at is

b. The passenger weight at is

c. The passenger weight at is

Weight of an object is the gravitational force exerted on it and it is the product of the mass of the object m and the gravitational acceleration g.

The equation for the apparent weight of the passenger is

Here, a is acceleration of the passenger.

The expression which relates acceleration, velocity and time is

The acceleration of passengers between time is

Substitute,

The acceleration of passenger at is zero.

The equation for apparent weight of the passenger at time is

The acceleration of passenger at is

The equation for apparent weight of the passenger at time

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