Solve.The motion of a projectile that is fired at a 45° angle with the horizontal is given by x = v0
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 200 feet per second at an angle of 45° with the horizontal. Find (a) the time when it reaches maximum altitude (b) the maximum altitude.
A. (a) 17.7 seconds
(b) 625 feet
B. (a) 8.8 seconds
(b) 313 feet
C. (a) 4.4 seconds
(b) 313 feet
D. (a) 8.8 seconds
(b) 1250 feet
Answer: C
You might also like to view...
Solve the problem.A chemistry lab uses the liquid solvents listed below. Once the chemicals have been used, they are poured into appropriate waste containers. However, certain of these chemicals cannot be mixed without causing violent reactions. The table indicates which chemical pairs are incompatible. Determine the minimum number of waste disposal containers needed to store the waste solvents safely, and give a list of the chemicals that are to be stored in each container. 
A. Container 1: acetone, acetonitrile, benzene, cyclopentane, and toluene ; Container 2: ethanol and methanol; Container 3: acetic anhydride ; Container 4: hydrogen peroxide B. Container 1: acetone, acetonitrile, benzene, cyclopentane, and toluene ; Container 2: ethanol and methanol; Container 3: acetic anhydride and hydrogen peroxide C. Container 1: acetone, acetonitrile, benzene, cyclopentane, ethanol, methanol, and toluene ; Container 2: acetic anhydride and hydrogen peroxide D. Container 1: acetone, acetonitrile, benzene, cyclopentane, ethanol, methanol, and toluene ; Container 2: acetic anhydride ; Container 3: hydrogen peroxide
Choose the equation that matches the graph.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Use the circle graph to solve the problem.A survey of the 7505 vehicles on the campus of State University yielded the following circle graph.
Find the number of motorcycles. Round your result to the nearest whole number.
A. 6830 B. 675 C. 1051 D. 9
Perform the calculation.180° - 8°45'27"
A. 172°14'33" B. 171°14'33" C. 172°15'33" D. 171°15'33"