A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 60° above the horizontal. What is the horizontal distance to the point where the football hits the ground?
A) 20 m
B) 35 m
C) 18 m
D) 60 m
E) 30.0 m
B
You might also like to view...
A uniform solid sphere is rolling without slipping along a horizontal surface with a speed of 5.50 m/s
when it starts up a ramp that makes an angle of 25.0° with the horizontal. What is the speed of the sphere after it has rolled 3.00 m up the ramp, measured along the surface of the ramp? A) 4.01 m/s B) 8.02 m/s C) 1.91 m/s D) 2.16 m/s E) 3.53 m/s
The extinction of starlight due to the interstellar medium I. is the greatest in the ultraviolet. II. is the greatest in the infrared. III. is caused by ionized hydrogen. IV. is caused by dust particles
a. I & III b. II & III c. I & IV d. II & IV e. only IV
Which law is for a quantity of gas held at constant volume?
a. Boyle's law c. Gay-Lussac's law b. Charles's law d. Avogadro's law
An astronomer would find a type Ia supernova in a distant galaxy useful as a(n) ____
a. spiral tracer b. gravitational lens c. age calibration d. rotation curve e. standard candle