A humming bird flying at 4 km/h that gets caught in a 3-km/h crosswind has a resultant speed of about
A) 3 km/h.
B) 4 km/h.
C) 5 km/h.
D) more than 5 km/h.
Answer: C
Physics & Space Science
You might also like to view...
The magnetic moment of an electron (charge = ?e; mass = me) moving in a circular orbit of radius r with speed v about a nucleus of mass mN is proportional to
a. r. b. v. c. vr. d. evr. e. mNvr.
Physics & Space Science
The internal energy of a monatomic ideal gas is equal to which of the following?
a. (3/2)PV b. (3/2)nT/V c. 3 T/P d. none of the above
Physics & Space Science
The two rigid objects shown in the figure below have the same mass, radius, and angular speed. If the same braking torque is applied to each, which takes longer to stop?
All of the following occur during metamorphism except
A) melting. B) recrystallization. C) interaction with chemical fluids. D) changes in composition.
Physics & Space Science