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Likurg_2 [28]
3 years ago
12

Please help me with question B.

Physics
1 answer:
Step2247 [10]3 years ago
5 0
It accelerates in the y component (bc of gravity) AND the x-component (b/c of the friction force).
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What is the kinetic energy of a bike with a mass of 24 kg traveling at 3 m/s?
erastovalidia [21]

Answer:

KE = 1/2mv^2

KE = 1/2(24)(3^2)

KE = 12(9)

KE = 108 J

Let me know if this helps!

5 0
3 years ago
In what way are liquids different from solids?.
puteri [66]

Answer:

solid molecules are packed closely and liquid molecules are losely packed

7 0
2 years ago
A mosquito can fly with a speed of 1.10 m/s with respect to the air. Suppose a mosquito flies east at this speed across a swamp.
sineoko [7]

Answer:

The velocity of Mosquito with respect to earth will be 0.302m/s

Explanation:

V(ma) = 1.10 m/s, east  Velocity of mosquito with respect to air

V(ae) = 1.4 m/s at 35°  Velocity of air with respect to Earth in west of south direction.

Velocity of Mosquito with respect to earth will be  

V(me) = V(ma) + V(ae)

We need to find the mosquito’s speed with respect to Earth in the x direction.

V(x, me) = V(x, ma) + V(x, ae) = V(ma) + V(ae)(cos theta(ae) )

Angle (ae) = –90.0° − 35°=−125°

V(x, me) = 1.10 + (1.4)Cos(-125)

             = 1.10 + 1.4(-0.57)

             = 1.10 -0.798

              = 0.302

So the velocity of Mosquito with respect to earth will be 0.302m/s

7 0
2 years ago
A 3.00 kg mass is traveling at an initial speed of 25.0 m/s. What is the magnitude of the force required to bring the mass to re
Marta_Voda [28]

Answer:

Answer is 7.50 N

Explanation:

4 0
2 years ago
Imagine that someone is walking across a carpeted room and then touches a metal doorknob. Describe what happens when a doorknob
mr_godi [17]

Answer: if the door knob is metal the static electricity will exit your body, but shock you in the process

Explanation:

7 0
2 years ago
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