During a trial run, race car a starts from rest and accelerates uniformly along a straight level track for a particular interval of time. race car b also starts from rest and accelerates at the same rate, but for twice the time. at the end of their respective acceleration periods, which of the following statements is true? car a has traveled a greater distance. car b has traveled twice as far as a. car b has traveled four times as far as car a. both cars have traveled the same distance

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit: