Related Questions

Plane P take off at 2:00 am and flies at a constants speed of Xmph. Plane Q takes off at 3:30 am and flies the same forte as plane p but travels at a constant X, how many hours after 3:30 am will plane Q overtake plan P?
A 1.5x/y +0.5
B 2
C 4
D 5
The train arrives exactly at midday. It's always ---
A in time
B before time
C late
D on time
The train arrives exactly at midday. It's always.--------
A in time
B before
C late
D on time
A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)
A P = W tanα
B P = W tan (α + φ)
C P = W (sinα + μcosα)
D P = W (cosα + μsinα)
Two planes leave the airport at the same time . Minutes later, plane A is 33 miles due north of the airport and plane B is 56 miles due east of the airport . How far apart are the two planes ?
A 82
B 119
C 65
D 93
10 minutes after a plane leaves the airport, it is reported to be 40 miles away. What is the average speed in miles per hour of the plane?
A 560
B 660
C 400
D 240
A travel company wants to charter to plane to the Bahamas. Chartering the plane costs $ 8,000 . So far 18 people have signed up for the trip. If the company charges $300 per ticket , how many more passengers must sing up for the trip before the company can make any profit on the charter ?
A 7
B 9
C 13
D 18
A travel company wants to charter to plane to the Bahamas. Chartering the plane costs $8,000. So far 18 people have signed up for the trip. If the company charges $300 per ticket, how many more passengers must sign up for the trip before the company can make any profit on the charter?
A 7
B 9
C 13
D 18
The angle of inclination of the plane, at which the body begins to move down the plane is called
A angle of friction
B angle of repose
C angle of projection
D none of the mentioned
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
A Along the plane
B Horizontally
C Vertically
D At an angle equal to the angle of friction to the inclined plane

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