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MA_775_DIABLO [31]
3 years ago
12

If you want to improve your muscular strength, what is the best plan

Physics
2 answers:
elena-14-01-66 [18.8K]3 years ago
7 0
  1. lifting weights.
  2. working with resistance bands.
  3. heavy gardening, such as digging and shovelling.
  4. climbing stairs.
  5. hill walking
  6. cycling.
  7. dance.
  8. push-ups, sit-ups and squats.

adoni [48]3 years ago
3 0

Answer:->

Explanation: Eat chicken and vegetable a lot everyday.

Exercising

Running laps in place faster and faster for 5 min.

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A 1040 kg car and 3360 kg truck undergo a perfectly inelastic collision. before the collision, the car was traveling southward a
alexandr1967 [171]
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6 0
4 years ago
A box of oranges which weighs 83 N is being pushed across a horizontal floor. As it moves, it is slowing at a constant rate of 0
otez555 [7]

The given question is incomplete. The complete question is as follows.

A box of oranges which weighs 83 N is being pushed across a horizontal floor. As it moves, it is slowing at a constant rate of 0.90 m/s each second. The push force has a horizontal component of 20 N and a vertical component of 25 N downward. Calculate the coefficient of kinetic friction between the box and the floor.

Explanation:

The given data is as follows.

    F_{1} = 20 N, F_{2} = 25 N, a = -0.9 m/s^{2}

             W = 83 N

         m = \frac{83}{9.81}

             = 8.46

Now, we will balance the forces along the y-component as follows.

       N = W + F_{2}

           = 83 + 25 = 108 N

Now, balancing the forces along the x component as follows.

       F_{1} - F_{r} = ma

        20 - F_{r} = 8.46 \times (-0.9)

             F_{r} = 7.614 N

Also, we know that relation between force and coefficient of friction is as follows.

             F_{r} = \mu \times N

          \mu = \frac{F_{r}}{N}

                    = \frac{7.614}{108}

                    = 0.0705

Thus, we can conclude that the coefficient of kinetic friction between the box and the floor is 0.0705.

7 0
4 years ago
Read 2 more answers
A plane flies 600 kilometers away from its bad at 400 meters per second then flies back to its base at 600 meters per second. Wh
tester [92]
Seems to me that it flies 400 m/s there and 600 m/s back the same distance.
therefore the average of 400 and 600 is 500 m/s.  The distance is the same so the normal formula of (d2-d1)/(t2-t1) is applicable.
4 0
4 years ago
The parking brake on a 1200kg automobile has broken, and the vehicle has reached a momentum of 7800kg.m/s. What is the velocity
liraira [26]

Answer:

Velocity of the vehicle (v) = 6.5 m/s

Explanation:

Mass of automobile (m) = 1200 kg

Momentum of vehicle (p) = 7800 kg m/s

By using formula of momentum:

\rm p = mv \\  \rm 7800 = 1200 \times v \\  \rm v =  \frac{7800}{1200}  \\  \rm v = 6.5  \: m {s}^{ - 1}

8 0
3 years ago
How much electrical energy is used by a 75 W laptop that is operating for 12<br>minutes?​
Liono4ka [1.6K]

"1 watt" means 1 joule of energy per second.

75 W means 75 joules/sec .

Energy = (75 Joule/sec) x (12 min) x (60 sec/min)

Energy = (75 x 12 x 60) (Joule-<em>min-sec</em> / <em>sec-min</em>)

<em>Energy = 54,000 Joules</em>

7 0
3 years ago
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