An aerialist on a high platform holds on to a trapeze attached to a support by an 8.00-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 41.0° degrees with the vertical. He jumps, swings down, then back up, releasing the trapeze at the instant it is 0.750 m below its initial height. Calculate the angle θ that the trapeze cord makes with the vertical at this instant.

we're given that v₀ = 0 and a = 5.4 m/s². therefore, since v = at + v₀ for constant acceleration the equation for velocity is

after 28s,

m/s

which i would round to 150 m/s as my final answer

the aurora is formed when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. these collisions result in countless little bursts of light, called photons, which make up the aurora.

auroras are generated by charged solar particles hitting molecules in earth's atmosphere. this usually happens in high latitudes, because our planet’s magnetic field tends to funnel these particles toward the poles. that’s why it can be experienced in northern ohio.

b. false

explanation:

suppose a rock in free fall is dropped off a cliff. after falling for 5 seconds, its speed would not be 100 m/s.