6 Nikole is testing out the Jump Boots and calculates it will take 250 J of mechanical energy to jump onto a cliff. Part way through the jump, her calculations have her at 115 J of kinetic energy. How much potential energy is contained in the Jump Boots? Show you work and include units.

¿Qué describe la ley de Coulomb propuesta por el fisico francés Charles Augustin de Coulomb para el año de 1785 ?

En la publicidad de un nuevo modelo de coche, cuya masa es de 1296 kg , se afirma que partiendo del reposo es capaz de alcanzar los \( 100 \mathrm{~km} / \mathrm{h} \) en 9 s acelerando constantemente. Halla la fuerza ejercida por el motor. (No tengas en cuenta rozamientos).

El agua en el interior de una manguera se comporta aproximadament como un fluido ideal. Considerando que la manguera cuenta con un diámetro interno de 2 cm , por la que fluye agua a \( 0,5 \mathrm{~m} / \mathrm{s} \). Calcula el caudal que sale por la manguera

The force needed to keep a car from skidding on a curve varies Inversely as the radius of the curve and jointly as the weight of th car's speed. Suppose that 200 pounds of force keeps a 3200 -pound car from skidding on a curve of radius 400 ft at 25 mph . What car from skidding on a curve of radius 550 ft at 55 mph ? pounds of force

The brightness of a light bulb changes inversely with resistance and directly with voltage. What is the new resistance if a 60 -watt, 120 -volt bulb is used in place of a 100 -watt, 120 -volt bulb with 144 ohms?