Physics, 19.09.2021 14:00 Jefferson09
A truck is travelling at a constant velocity of 100kmh when the driver sees an obstacle 120m ahead. The driver of the train has a reaction time of 0,64s. Calculate the acceleration needed for the truck to stop before striking the obstacle.​
Answers: 2
Physics, 21.06.2019 17:20
The specific heat of silver is 0.057 calories/gram°c. if 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°c, how many calories of heat energy were absorbed by the sample?
Answers: 1
Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 3
Physics, 22.06.2019 14:00
The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?
Answers: 2
A truck is travelling at a constant velocity of 100kmh when the driver sees an obstacle 120m ahead....
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