A rock is thrown straight up with an initial velocity of 20.0 m/s. Ignore energy lost to air friction. How high will the rock rise?
a. 41.0 m
c. 20.4 m
b. 10.2 m
d. 11.5 m
C
You might also like to view...
Which is the smallest of the outer planets?
A. Uranus B. Jupiter C. Saturn D. Neptune
A bridge is made with segments of concrete 50 m long. If the linear expansion coefficient is 12 × 10?6 (°C)?1, how much spacing (in cm) is needed to allow for expansion during an extreme temperature change of 150°F?
A. 10 B. 2.5 C. 7.5 D. 5.0 E. 9.5
A metallic sheet has a large number of slits, 5.0 mm wide and 20 cm apart, and is used as a diffraction grating for microwaves. A wide parallel beam of microwaves is incident normally on the sheet
What is the smallest microwave frequency for which only the central maximum occurs? (c = 3.00 × 108 m/s) A) 1.0 GHz B) 2.0 GHz C) 0.70 GHz D) 0.50 GHz E) 1.5 GHz
A person weighing 200 pounds stands on snowshoes. If the area of each snowshoe is 400 square inches, the pressure on the snow is 0.25 psi
Indicate whether the statement is true or false