Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

A ball rolls off the edge of a horizontal tabletop, 4.23 ft high. It strikes the floor at a point 5.11 ft horizontally away from the edge of the table. (a) For how long was the ball in the air? (b) What was its speed at the instant it left the table?

A ball rolls off the edge of a horizontal tabletop, 4.23 ft high. It strikes the floor at a point 5.11 ft horizontally away from the edge of the table. (a) For how long was the ball in the air? (b) What was its speed at the instant it left the table?

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
6 years ago
235-2432_1.PNG
The negative sign for y is due to the fact that the ball is displacing in the downward direction and the nature of convention adopted.
235-2458_1.PNG
Therefore, the time taken by the ball to fall from height 4.23 ft is 0.51 s .
235-1173_1.PNG
Therefore, the vertical component of initial speed of the ball when it just fell from the table is 10 ft/s .

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free