A girl pulls on a 10-kg wagon with a constant horizontal force of 30 n. if there are no other horizontal forces, what is the wagon's acceleration in meters per second per second?

A deuterium (an isotope of hydrogen) nucleus (mass = 2.01355 amu) is made up of one proton (mass = 1.007276 amu) and one neutron (mass = 1.008665 amu). Which statement best describes what happens when a deuterium nucleus breaks apart? A.

You find it takes 200 J of heat to take 4 kg of an unknown substance from 200 K to 240 K. It does not change phases during this interval. If you added 300 J of heat to the substance instead of 200 J, what would be its final temperature?

Give the approximate bond angle for a molecule with an octahedral shape. A) 109.5°B) 180°C) 120°D) 105°E) 90°

Which of the following statements about braking a car are true? (more than one) A. The greater the kinetic energy of a car, the longer it takes for the car to stop. B. The lower the kinetic energy of a car, the longer it takes for the car to stop. C.

A roller coaster needs to climb a tall hill. How tall of a hill can it climb with an initial speed of 15 m. s.

The attendance qt a seminar in a year 1 was 500 in year 2 the attendance changed by 100 what was the percent change in attendance?

A worker stands still on a roof sloped at an angle of 35° above the horizontal. He is prevented from slipping by static frictional force of 560 N. Find the mass of the worker.

A bowling ball is far from uniform. Lightweight bowling balls are made of a relatively low-density core surrounded by a thin shell with much higher density. A 7.0 lb (3.2 kg) bowling ball has a diameter of 0.216 m; 0.196 m of this is a 1.

Argument changes meaning because of an ambiguous word or phrase. A. equivocation B. fallacy of division C. amphiboly D. fallacy of accent

Is a method used by different animal species for navigation, communication, and finding food.