A force of 451 N is applied to 111 kg box that has a coefficient of static friction of 0.450. What is the force of friction on the box?
A. 490 N
B. 0.00 N
C. 108 N
D. 451 N
E. 203 N
D. 451 N
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You live at a latitude of 39° S. What is the angle between the southern horizon and the south celestial pole?
a. 45° b. 23.4° c. 39° d. 51° e. The answer depends on the day of the year.
According to the universal law of gravitation, if you double the masses of both attracting objects, then the gravitational force between them will
A) not change at all. B) increase by a factor of 2. C) decrease by a factor of 2. D) increase by a factor of 4. E) decrease by a factor of 4.
A glider is in a banked curve with a radius of 125 m radius curve at a constant speed of 10 m/s. Its acceleration is __________
Fill in the blank(s) with correct word
The figure below shows a planet traveling in a clockwise direction on an elliptical path around a star located at one focus of the ellipse. When the planet is at point A,
a.
its speed is constant.
b.
its speed is increasing.
c.
its speed is decreasing.
d.
its speed is a maximum.
e.
its speed is a minimum.