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PilotLPTM [1.2K]
3 years ago
12

1 oz = _____________ mg

Physics
1 answer:
Luba_88 [7]3 years ago
4 0

Answer:

28349.5 Mg

Explanation:

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A mechanic jacks up the front of a car to an angle of 8.0° with the horizontal in order to change the front tires. the car is 3.
SOVA2 [1]
<span>First draw a free-body diagram. Torque T = Force F x Distance d where force is the component of gravitational force g and d is the lever arm distance to the pivot point. Since the pivot point is at the back tire we subtract that from the length of the car resulting in d = 1.12 - 0.40 = 0.72 meters = d. We are interested in the perpendicular component of the force exerted on the car jack so use sin 8 degrees then T=1130 kg x 9.81 m/s^2 x sin(8 degrees) x0.72 m = 1,110.80 Newton-meters</span>
7 0
3 years ago
What is the final velocity, in meters per second, of a freight train that accelerates at a rate of 0.085 m/s2 for 7.5 min, start
Llana [10]

Answer:

v_f=41.65\frac{m}{s}

Explanation:

The final velocity is given by the following kinematic equation:

v_f=v_0+at

Here, v_0 is the initial velocity, a is the body's acceleration and t is the motion time. We have to convert the time to seconds:

7.5min*\frac{60s}{1min}=450s

Now, we calculate the final velocity:

v_f=3.4\frac{m}{s}+(0.085\frac{m}{s^2}(450s))\\v_f=41.65\frac{m}{s}

4 0
3 years ago
What type of energy is released when a proton is nocked out of an atoms nucleus?
yarga [219]
I think it would be atomic energy, which would most likely be in very short waves to affect the protons.
3 0
3 years ago
Read 2 more answers
MnS+HCl H 2 S+MnCl 2 Which set of coefficients would balance the equation?
rewona [7]

Answer:

1,2,1,1

Explanation:

3 0
3 years ago
A certain metal with atomic mass 2.2 × 10−25 kg has an interatomic bond with length 2.3 × 10−10 m and stiffness 43 N/m. What is
Alexandra [31]

Answer:

The speed of sound in a rod made of the material is 3215.52 m/s.

Explanation:

The speed of sound can be found using the formula:  

V=\sqrt{\frac{s}{m}}*d

Where s is the stiffness, m the atomic mass and d is the length of the interatomic bond.  

You just have to correctly replace these values in the formula above.

V=\sqrt{\frac{43N/m}{2.2 * Exp-25 kg}}*(2.3 * Exp-10 m)

V= 3215.52 m/s  

3 0
3 years ago
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