Suponga que está en un automóvil en movimiento y el motor se detiene. Pisas los frenos y bajas la velocidad del coche a la mitad. Si suelta el pie de los frenos, ¿acelerará un poco el automóvil o
continuará a la mitad de velocidad y desacelerará debido a la fricción?

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?

Aforce of 8,480 n is applied to a cart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart? 865 kg 320 kg 12.1 kg 3.12 kg

Five structural isomers have the formula c6h14. where needed, draw the structure and give the iupac name of all five isomers.