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Inessa [10]
3 years ago
15

The ideal mechanical advantage of a machine is 3.2 and its output distance is 2.5 meters. What is the input distance?

Physics
1 answer:
attashe74 [19]3 years ago
7 0
30 because you have 3.2 outputs don't mean others don't
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Please help on this one?
qwelly [4]

Answer:

D. An image that is smaller than the object and is behind the mirror

5 0
3 years ago
A pendulum that has a period of 2.67000 s and that is located where the acceleration due to gravity is 9.77 m/s2 is moved to a l
zalisa [80]

Answer:

Explanation:

Expression for time period of pendulum is given as follows

T=2\pi\sqrt{\frac{l}{g} }

where l is length of pendulum and g is acceleration due to gravity .

Putting the given values for first place

2.67=2\pi\sqrt{\frac{l}{9.77} }

Putting the values for second place

T=2\pi\sqrt{\frac{l}{9.81} }

Dividing these two equation

\frac{T}{2.67} =\sqrt{\frac{9.77}{9.81} }

T = 2.66455 s.

5 0
3 years ago
A car is stopped at a red light. When the light changes, the car begins to accelerate at a rate of 10 m/s^2 and it continues to
yaroslaw [1]
The velocity of the car after it accelerates for 25 seconds would be 820.2 ft/s or 250 m/s
4 0
3 years ago
The Earth orbits the Sun because of the competing forces of _________________ and _______________________.
kherson [118]
The two competing forces that keeps earth orbiting the sun is gravity and inertia
3 0
3 years ago
The car is traveling at a constant speed v0 = 80 km/hr on the level portion of the road. When the 4-percent (tan q = 4/100) incl
arsen [322]

Answer:

11.27 m /s

2.98 m / s.

Explanation:

80 km / h = 22.22 m /s

Tanq = 4 / 100

Sinq = .0399

Deceleration acting on inclined plane = g sinq

= 9.8 x .0399

= .3910

Initial speed u = 22.22 m/s

acceleration = - .3910 ms⁻²

v = u - a t

= 22.22 - .3910 x 28

= 22.22 - 10.95

= 11.27 m /s

b ) v² = u² - 2 a s

v² = ( 22.22) ² - 2 x .3910 x 620

= 493.7284 - 484.84

= 8.8884

v = 2.98 m / s.

6 0
3 years ago
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