Awooden block has a mass of 1.2 kg, a specific heat of 710, and is at a temperature of 25*c. what is the block's final temperature if it's thermal energy increases by 2,130j?

Plzz 10 points ! is some thermal energy always released during a transformation ? and is potential chemical energy always transformed into kinetic energy

Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?

An astronaut floating in space is trying to use her jetpack to get back to her space station, but she is being pulled away by a nearby planet, as shown in the image below. her jetpack provides a constant thrust of 310 n. if she angles her jetpack in such a way that it cancels out the vertical force due to the planet's gravity, what is her net horizontal force? thaud 487 o a. 54.8 n toward the space station o b. 212.9 n toward the space station o c. 185.2 n toward the space station o d 956 n toward the space station