Physics, 19.02.2021 21:00 Gghbhgy4809
During a test crash, a 1,450kg sedan accelerates from rest at a constant
acceleration of 5m/s^2 for 20m until it collides with a concrete wall. What
is the change in kinetic energy when the car strikes the wall and comes to
a stop?
Answers: 2
Physics, 21.06.2019 21:30
The earth remains in orbit around the sun due to the force of gravity. how does the force of gravity exerted by the sun on the earth compare to the force of gravity exerted by the earth on the sun?
Answers: 1
Physics, 21.06.2019 23:10
6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.
Answers: 2
Physics, 22.06.2019 00:00
1134567 a jet with mass m = 1.1 ă— 105 kg jet accelerates down the runway for takeoff at 2 m/s2. 1) what is the net horizontal force on the airplane as it accelerates for takeoff? 2.2*10^5 n your submissions: 2.2*10^5 computed value: 220000submitted: saturday, january 26 at 2: 41 pm feedback: correct! 2) what is the net vertical force on the airplane as it accelerates for takeoff? 0 n your submissions: 0 computed value: 0submitted: saturday, january 26 at 2: 41 pm feedback: correct! 3) once off the ground, the plane climbs upward for 20 seconds. during this time, the vertical speed increases from zero to 21 m/s, while the horizontal speed increases from 80 m/s to 95 m/s. what is the net horizontal force on the airplane as it climbs upward? n 4) what is the net vertical force on the airplane as it climbs upward? n 5) after reaching cruising altitude, the plane levels off, keeping the horizontal speed constant, but smoothly reducing the vertical speed to zero, in 13 seconds. what is the net horizontal force on the airplane as it levels off? n 6) what is the net vertical force on the airplane as it levels off?
Answers: 1
Physics, 22.06.2019 06:20
Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question
Answers: 1
During a test crash, a 1,450kg sedan accelerates from rest at a constant
acceleration of 5m/s^2 for...
Mathematics, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
World Languages, 14.09.2020 06:01
Chemistry, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
English, 14.09.2020 06:01
English, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
Chemistry, 14.09.2020 06:01
English, 14.09.2020 06:01
English, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
Mathematics, 14.09.2020 06:01
Social Studies, 14.09.2020 06:01
Arts, 14.09.2020 06:01