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Man 1 was experimenting with friction and attempting to pull Man 2 across the surface of a floor. Man 1 applies a pulling force of 60 N and Man 2 weighs 103 N.
a. Complete the free body diagram
b. What is the reaction force?
c. Assuming the coefficient of static friction is 0.65, what is the friction force?
d. Does Man 2 move? Why or why not?
The surface of the Sun has a temperature of 5500 C and the temperature of deep space is 3.0 K. Find the entropy increase produced by the Sun in one day, given that it radiates heat at the rate of 3.80x10^26 W.
The image behind a convex mirror (radius of curvature = 72 cm) is located 14 cm behind the mirror. Where is the object located? What is the magnification of the mirror?
A particular heat engine has a useful power output of 5.80 kW and an efficiency of 21.0%. In each cycle, the engine expels 8450 J of exhaust energy.
A 21 g bullet travelling at 255 m/s is fired into a 0.452 kg wooden block anchored to a 100 N/m spring. How far is spring compressed to the nearest thousandth of a meter.
A small object with a mass of 333 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of the parallel-plate capacitor. The plates are separated by 2cm.
Westerly winds coming off the Pacific Ocean rise over the Rocky Mountains, which rise to a height of approximately 15,000 ft (580 hPa). The air on the western side of the mountain range is at 800 hPa (T = 70F, r = 0.75), and will subside on the ea..
The quartz tube is actually 921mm long × 15mm diameter ... use the tube circumference and length to: estimate the light's maximum Electric Field , at the outside of the tube
a ball is thrown from a point 1.0m above the ground. the initial velocity is 6.8m/s at an angle of 30 degrees above the horizontal. What is the speed of the ball at the highest point
A Girl is pushing on a 45 kg dresser with 300 N of force. The dresser has a coeficient of statice friction of 0.83, How much is the force of friction on the dresser
A coil of 160 turns and area 0.20 m2 is placed with its axisparallel to a magnetic field of 0.40 T. The magnetic field changes from 0.40 T in the x-direction to 0.40 Tin the negative x-direction in 2.0 s. If the resistance of the coil is 16 Ω, at ..
The accepted value for the suns intensity at the earth is measured on an area with its normal along the suns "ray". Calculate the temperature of the sun
A 16.2 g bullet with an initial speed of 870 m/s embedded itself in a 40.0 kg block, What is the maximum compression of the spring
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