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shtirl [24]
3 years ago
14

What is the force of a 1500 kg car accelerating at 45 m/s2 ?

Physics
1 answer:
tiny-mole [99]3 years ago
3 0

Answer:

67500

Explanation:

F=ma

F = 1500 × 45

F = 67500

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padilas [110]

are you a dmbss? the bulb and wire must be connected to both end

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About how far does the S wave travel through Earth in 13 minutes?
Elina [12.6K]

Answer:

Explanation:

6000 km

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Read 2 more answers
Find the value of T1 if 1 = 30°, 2 = 60°, and the weight of the object is 139.3 newtons.
Lelechka [254]

Answer:

Option A (69.56 newtons) is the appropriate solution.

Explanation:

According to the question,

On the X-axis,

⇒ T_1Cos30^{\circ}-T_2Cos60^{\circ}=0

or,

    T_1Cos 30^{\circ}=T_2Cos60^{\circ}

On substituting the values, we get

      T_1\times \frac{\sqrt{3} }{2}=T_2\times \frac{1}{2}

      T_1\times \sqrt{3} =T_2....(equation 1)

On the Y-axis,

⇒ T_1Sin30^{\circ}+T_2Sin60^{\circ}=139.3 \ N

                        \frac{T_1}{2} +\frac{\sqrt{3} }{2} =139.2 \ N

                    T_1+\sqrt{3}T_2=139.2\times 2

From equation 1, we get

           T_1+\sqrt{3}\times \sqrt{3}T_1 =278.4 \ N

                        T_1+3T_1=278.4 \ N

                                4T_1=278.4 \ N

                                  T_1=\frac{278.4}{4}

                                       =69.6 \ N  

6 0
3 years ago
How does Newton's law work? Give an example of the formula in a word problem.
Black_prince [1.1K]
Newtons Law works with friction, gravity, and falls.

Also, the formula would be: F = ma

Force = acceleration * mass

Example: The force on a bike is 30 Newtons. The mass of the bike is 6 kg. What is the acceleration of the bike?
6 0
3 years ago
1.What is the kinetic energy of an object with a velocity of 7m / s and a mass of 14kg
Vlada [557]

Answer:

Explanation:

The formula for KE is

KE=\frac{1}{2}mv^2 and we fill in to solve for KE:

KE=\frac{1}{2}(14)(7.0)^2 I used 2 significant digits in the velocity because 1 isn't accurate enough. Therefore, my answer will be rounded to 2 sig fig's:

KE = 340 J (rounded from 343). And we do the exact same thing in #2:

KE=\frac{1}{2}(5.0)(5.0)^2 (Used 2sig fig's for both the mass and the velocity) to get

KE = 63 J (rounded from 62.5)

3 0
3 years ago
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