Through the rope, determine the amount of work that you both do on the tree stump. Ivans
3.
A music student in the faculty of music pulls her cello, contained in a hard case (total mass of
15.0 kg) by applying a constant 7.00 N force at an angle of 30.0° with the horizontal ground.
If she pulls it at a constant speed for 20.0 m, determine the work the student does on the
cello. [121 J]
13 kJ

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

Why does gravity have a lesser than grater effect on higher altitudes?