In a race, a runner traveled 12 meters in
4.0 seconds as she accelerated uniformly from
rest. the magnitude of the acceleration of the
runner was
(1) 0.25 m/s2 (3) 3.0 m/s2
(2) 1.5 m/s2 (4) 48 m/s2

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

Mga halaman/punong ornamental na di namumulaklak

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?