1. Two forces of 5 lb. and 14 lb. act on a body at right angles to each other. Find their resultant and the angle which it makes with the force of 14 lb.
A.Triangle ABC, Line AB=___?
B.Angle A=____degrees?
2.A velocity of 30 mph is resolved into two components, each of which makes an angle of 45 with it. Find their magnitude. Leave answer in simplest radical form.
A. x=___?
B. y=___?
3. The angle of elevation of the top of a tower to a point on the ground is 61. At a point 600 feet farther from the base, in line with the base and the first point and in the same plane, the angle of elevation is 32 . Find the height of the tower.
___feet?
4. A man who can row in still water at 5 mph heads directly across a river flowing at 6 mph.
A. At what angle to the line on which he is heading does he drift downstream (nearest degree)? =__degree?
B. At what speed (nearest whole number)?___mph
5. A force of 350 lb. is resolved into forces at right angles to one another, the angle of F2 being 67 from the 350 lb. force. Find the two component forces.
F1=____lb?
F2=____lb?
6.A missile is fired at an angle of 85 from the horizontal. At one point, its speed was 1,000 mph. Find its horizontal velocity in miles per minute. (Round to the nearest hundredth.)
____miles per minute?
7. A vessel sails 41 miles S 45 E. How far south has it sailed?
____miles?
If you know any, please let me know!
A.Triangle ABC, Line AB=___?
B.Angle A=____degrees?
2.A velocity of 30 mph is resolved into two components, each of which makes an angle of 45 with it. Find their magnitude. Leave answer in simplest radical form.
A. x=___?
B. y=___?
3. The angle of elevation of the top of a tower to a point on the ground is 61. At a point 600 feet farther from the base, in line with the base and the first point and in the same plane, the angle of elevation is 32 . Find the height of the tower.
___feet?
4. A man who can row in still water at 5 mph heads directly across a river flowing at 6 mph.
A. At what angle to the line on which he is heading does he drift downstream (nearest degree)? =__degree?
B. At what speed (nearest whole number)?___mph
5. A force of 350 lb. is resolved into forces at right angles to one another, the angle of F2 being 67 from the 350 lb. force. Find the two component forces.
F1=____lb?
F2=____lb?
6.A missile is fired at an angle of 85 from the horizontal. At one point, its speed was 1,000 mph. Find its horizontal velocity in miles per minute. (Round to the nearest hundredth.)
____miles per minute?
7. A vessel sails 41 miles S 45 E. How far south has it sailed?
____miles?
If you know any, please let me know!