A bullet is fired with a certain velocity at an angle ? above the horizontal at a location where g = 10.0 m/s2. The initial x and y components of its velocity are 86.6 m/s and 50.0 m/s respectively
How long does it take before the bullet gets to the highest point of its trajectory? A) 5.0 seconds
B) 10.0 seconds
C) 15.0 seconds
D) 20.0 seconds
E) None of the other choices is correct.
A
You might also like to view...
Each atom in a mole of water vapor (H2O) has one electron removed. What is the total charge of the ionized gas?
A. 96 kC B. 290 kC C. 600 kC D. 190 kC
Faraday's Law: A flat coil having 40 turns, each one of cross-sectional area 12.0 cm2, is oriented with its plane perpendicular to a uniform magnetic field. The field varies steadily from 0.00 T to 1.20 T in 20.0 ms. What emf is induced in the coil during this time?
Fill in the blank(s) with the appropriate word(s).
A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. (a) What is the maximum speed of the needle? (b) What is the maximum acceleration of the needle?
What will be an ideal response?
Decreasing the focal length of the eyepiece in a compound microscope by 50% changes the magnification to _______ times the previous magnification.
A. 0.50 B. 1.5 C. 1.7 D. 2.0 E. 4.0