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LuckyWell [14K]
3 years ago
6

Which the answer It's science

Physics
1 answer:
earnstyle [38]3 years ago
3 0
The answer is A. ive done a 5-k race, so its for sure 3 miles. 
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Someone please help me! And I will mark you as brainlist!!
Gnoma [55]

Answer:

Explanation:

PE = mgh = 2.0(9.8)(1.2) = 23.52 ≈ 24 J

Translation kinetic energy is defined as the energy of a system due to the motion of the system’s...center of mass

KE = ½mv² = ½(45)(1800/600)² = 202.5 ≈ 203 J  

3 0
2 years ago
How can a high school student have more momentum than a truck
morpeh [17]

Answer:

When truck is at rest while student is under motion

Explanation:

Since it is obvious that the mass of a truck is more than that of a student, we know that momentum is a product of mass and velocity

P=mv where m represent mass, v is velocity. When the student has more speed than that of truck, he exerts more momentum. The only way a student can exert more momentum is by having more speed while the truck is at rest. In such case, the momentum of truck will be zero while momentum of student will have a value

6 0
2 years ago
What category of the electromagnetic spectrum has a wavepength of 108m​
vodomira [7]

Answer: Radio Waves

Explanation:

8 0
3 years ago
What are the units of acceleration?
Marina86 [1]

Acceleration is any change in speed or direction of motion.

The dimension of speed is [length/time],
so a change is [length/time²].

Popular units include [meter/second²] and [feet/second²] .
________________________

Direction almost always boils down to an angle, (which technically
has no dimensions), so a change in direction is  [angle/time] .

Popular units include [radian/second] and [degree/second] .

5 0
3 years ago
ALL OF MY POINTS FOR THIS!
scoray [572]
Newton's 2nd law of motion:

                       Force  =  (mass) x (acceleration)

                                   =  (1,127 kg) x (6 m/s² forward)

                                   =  (1,127 x 6)  newtons forward

                                   =    6,762 newtons forward
______________________________

             Momentum  =  (mass) x (speed)

                                 =   (69 kg) x (6 m/s)

                                 =      414 kg-m/s
3 0
3 years ago
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