forces F1 (east) and F2 are simultaneously applied to a 3.0kg mass. when F2 is east, a=5.0m/s² east and when F2 is west a=1.0m/s² east. Determine the magnitude of F1 and F2.

Why is carbon and nitrogen important?

Two current-carrying wires are parallel to each other. The current in one is increased by a factor of 2, the current in the other is increased by a factor of 3, and the distance between the wires is decreased by a factor of 13.

Which of these describes the heating element of a toaster oven? A. A conductor surrounded by an insulator. B. A conductor, which carries electric currents. C. A resistor, which converts some electric energy to thermal energy. D.

A 1.0 kg object moving at 4.5 m/s has a wavelength of: A) 1.5 * 10-34 m B) 2.9 * 10-33 m C) 7.4 * 10-35 m D) 1.4 * 10-34 m E) 2.9 * 10-34 m

A car with apowerful engine can go from 0 km/h to 100 km/h in 8 s

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

Consider two cars, a 700kg Porsche and a 600kg Honda Civic. The Porsche is speeding along at 40 m/s (mph) and the Civic is going half the speed at 20 m/s.

Which statement about an electron in the 4d state is correct? A. The magnitude of its orbital angular momentum is 6√ℏ. B. The largest orbital angular momentum it could have in any given direction is 4ℏ. C.

A D note has a frequency of 587.33 Hz. Calculate its wavelength in meters. The speed of sound is 343 m/s

A cyclist allows his bike to roll down a hill without pedaling. Towards the bottom of the hill he applies his brakes. The bike comes to a stop. Applying the brakes causes the brakes to warm up. Describe the energy transfers that have occurred.