When the Sun moves off the main sequence, it will next become a(n) ______________
Fill in the blank(s) with correct word
red giant
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The water hole has very high background interference
Indicate whether the statement is true or false
A uniform rod of mass M = 1.2 kg and length L = 0.80 m, lying on a frictionless horizontal plane, is free to pivot about a vertical axis through one end, as shown. The rotational inertia of the rod about this axis is given by (1/3)ML2. If a force (F = 5.0 N, ? = 40°) acts as shown, what is the resulting angular acceleration about the pivot point?
?
?
A. 16 rad/s2 B. 12 rad/s2 C. 14 rad/s2 D. 10 rad/s2 E. 33 rad/s2
A projectile is launched from ground level at an angle of 50.0° above horizontal with a speed of 30.0 m/s. If the projectile is moving over level ground, how long is it in the air before it again contacts the ground?
A) 8.12 s B) 2.35 s C) 4.69 s D) 6.44 s E) 11.3 s
A 160 lb person has a mass of 160/32 = 5 slugs. A 160 lb person steps into an elevator and stands on a bathroom scale. Determine the scale reading for the given scenarios. The elevator is accelerating downwards at 2 ft/s2
a. 150 lb c. 170 lb b. 160 lb d. none of the above