What are 5 different movements you can use to warm up

Physics

1 answer:

Artyom0805 [142]4 years ago

5 0

Answer:

1) Jumping Jacks (their a great way to get blood into your muscles and keep your blood running)

2) Toe touches (helps warm up your hamstring so you won‘t get injured easily)

3) Jog in place (Warm up leg muscles and whole body)

4) Arm circles (Warms up arm muscles)

5) 10,10,9,9. (This is something I like, you hop on 1 foot for 10 times and then switch to your other foot ten times without stopping, but after the ten you go back foryour previous hopping leg and hop 9 times this time and same for your other foot, THEN hop 8 times with the foot you started with and, keep going in that order in decending order until you reach 1, (a great way to warm up leg muscle)

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A plate falls vertically to the floor and breaks up into three pieces, which slide along the floor. immediately after the impact

pshichka [43]

Refer to the diagram shown below.

Define the (x,y) plane as the horizontal plane of the floor.
There was no momentum in the (x,y) plane before the plate hit the floor.

Let the velocity components in the (x) and (y) directions of the 100 g mass be Vx and Vy respectively, and that the resultant velocity, V, makes an angle θ below the negative x-axis as shown.

Because momentum is conserved, therefore
100*Vx + 320*2 = 0
100Vx = -640
Vx = -6.4 m/s

100Vy + 355*1.5 = 0
100Vy = -532.5
Vy = -5.325 m/s

V = √[(-6.4)² + (-5.325)²] = 8.33 m/s
θ = tan⁻¹ (-5.325/-6.4) = 39.8°

Answer:
The direction is 39.8° below the negative x-axis
The speed is 8.33 m/s