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3 years ago

What do all moving objects have?

Physics

2 answers:

nikdorinn [45]3 years ago

6 0

The answer is simple lol Gravity

Klio2033 [76]3 years ago

4 0

Search it up on google your going to get your answer way quicker than here

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A deer is running from a mountain lion when it encounters a fence that is 1.50 m high. Seeing the fence, the deer jumps, leaving

Novosadov [1.4K]

Answer:

Explanation:

Given

Initial Velocity (u)=13 m/s

angle $=29^{\circ}$

distance between fence and deer=2.5 m

We consider deer jump similar to projectile motion

equation of trajectory

$y=xtan\theta -\frac{gx^2}{2u^2(cos\theta )^2}$

$y=2.5tan(29)-\frac{9.8\times 2.5^2}{2\times 13^2\times (cos29)^2}$

$y=1.385-0.2368=1.148 m$

Thus deer will cross the fence with an difference in its jump and fence

1.5-1.148=0.351 m

$h_{max}=\frac{u^2sin^2\theta }{2g}$

$h_{max}=\frac{13^2\times (sin29)^2}{2\times 9.8}$

$h_{max}=2.02 m$

so deer rises during when it is over fence

8 0

4 years ago

You roll a toy car, and it moves 10 meters in five seconds. What is the car's velocity?

maks197457 [2]

Displacement = 10 m
Time = 5 s
We know,
$velocity \: \: = \frac{displacement}{time} \\$
Therefore, the car's velocity
$= \frac{10}{5} m/s \\ = 2m/s$

<h3>Answer:</h3>

The car's velocity is 2 m/s.

Hope you could get an idea from here.

Doubt clarification - use comment section.

8 0

2 years ago

Which describes the best approach when conducting a scientific experiment

IgorC [24]

When conducting and experiment you want to have a notebook and something to write down notes with so you can keep everything organized and proper, and to not miss anything in the experiment. Also you want to have everything in order of the way it should be in.

I hope you found this helpful!

5 0

3 years ago

Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 12.0 m/s toward the east and the

Daniel [21]

Answer: 25.7m/s

Explanation: the cars have equal masses so we only consider their velocities,

The cars traveled together at 65° north of east this is with a velocity equal to the resultant velocity,

Using the force diagram as shown below;

Tan 65° = Vn/Ve

Ve is velocity of the car traveling east

Vn is velocity of car traveling north

Tan 65° = V2/12

2.144 = V2/12

V2 = 12 * 2.144

V2 = 25.7 m/s

5 0

3 years ago

Place the single slit wheel on the optics bench and turn the wheel to the variable slit width Slowly turn the wheel and observe

Advocard [28]

Answer:

With the equation:

sin T = l / a (*)

note that the width of the central diffraction maximum is inversely proportional to the width of the slit. If we increase the width size, a, the angle T at which the intensity first becomes zero decreases, resulting bin a narrower central band.

Explanation:

8 0

4 years ago