Un automóvil se desplaza a 60 km/hr cuando empieza a frenarse a razón de 1.5 mt/seg cada segundo. Cuanto tiempo le tomara recorrer 70 metros con esta desaceleración

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

Why should seat belts not be mandatory quick plz