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1 year ago

Can a body possess velocity at the same time in horizontal and vertical directions?

Physics

1 answer:

iogann1982 [59]1 year ago

5 0

Answer:

Yes

Explanation:

A body can possess velocity at the same time in horizontal and vertical direction

For example

A projectile

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Maverick and goose are flying a training mission in their F-14. They are flying at an altitude of 1500 m and are traveling at 68

den301095 [7]

Answer:

The bomb will remain in air for <u>17.5 s</u> before hitting the ground.

Explanation:

Given:

Initial vertical height is, $y_0=1500\ m$

Initial horizontal velocity is, $u_x=688\ m/s$

Initial vertical velocity is, $u_y=0(\textrm{Horizontal velocity only initially)}$

Let the time taken by the bomb to reach the ground be 't'.

So, consider the equation of motion of the bomb in the vertical direction.

The displacement of the bomb vertically is $S=y-y_0=0-1500=-1500\ m$

Acceleration in the vertical direction is due to gravity, $g=-9.8\ m/s^2$

Therefore, the displacement of the bomb is given as:

$S=u_yt+\frac{1}{2}gt^2\\-1500=0-\frac{1}{2}(9.8)(t^2)\\1500=4.9t^2\\t^2=\frac{1500}{4.9}\\t=\sqrt{\frac{1500}{4.9}}=17.5\ s$

So, the bomb will remain in air for 17.5 s before hitting the ground.

6 0

2 years ago

The speed of light in benzene is 2.00×108 m/s. what is the index of refraction of benzene?

Klio2033 [76]

The index of refraction of a material is the ratio between the speed of light in vacuum, c, and the speed of light in that material, v:
$n= \frac{c}{v}$
where the speed of light in vacuum is $c=3 \cdot 10^8 m/s$ . The speed of light in benzene is $v=2.00 \cdot 10^8 m/s$ , so we can use the previous relationship to find the refractive index of benzene:
$n= \frac{3 \cdot 10^8 m/s}{2.00 \cdot 10^8 m/s}=1.5$

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2 years ago

If a satellite is orbiting the Earth in elliptical motion, then it will move _______________ (slowest, fastest) when its closest

AVprozaik [17]

Answer:fastest,same,slow down,opposite,slow

Explanation:

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1 year ago

An object with a heat capacity of 345J∘C experiences a temperature change from 88.0∘C to 45.0∘C. How much heat is released in th

pogonyaev

Answer:

There is 148.35 Joules of heat is released in the process.

Explanation:

Given that,

Heat capacity of the object, $c=345J/^oC$

Initial temperature, $T_i=88^{\circ}C$

Final temperature, $T_f=45^{\circ}C$

We need to find the amount of heat released in the process. It is a concept of heat capacity. The heat released in the process is given by :

$Q=mc\Delta T$

Let the mass of the object is 10 g or 0.01 kg

So,

$Q=0.01\times 345\times (88-45)$

Q = 148.35 Joules

So, there is 148.35 Joules of heat is released in the process. Hence, this is the required solution.

5 0

2 years ago

A bicyclist travels the first 800 m of a trip 1.4 minutes, the next 500 m in 1.6 minutes, and finishes up the final 1200 m in 2

soldier1979 [14.2K]

Answer:

v_average = 500 m / min

Explanation:

Average speed is defined

v = (x_{f} -x₀) / Δt

let's look in each section

section 1

the variation of the distance is 800 in a time of 1.4 min

v₁ = 800 / 1.4

v₁ = 571.4 m / min

section 2

distance interval 500 in a 1.6 min time interval

v₂ = 500 / 1.6

v₂ = 312.5 m / min

section 3

distance interval 1200 m in a time 2 min

v₃ = 1200/2

v₃ = 600 m / min

taking the speed of each section we can calculate the average speed

the distance traveled

Δx = 800 + 500 + 1200

Δx = 2500 m

the time spent

Δt = 1.4 + 1.6+ 2

Δt = 5 min

v_average = Δx / Δt

v_average = 2500/5

v_average = 500 m / min

7 0

2 years ago

Can a body possess velocity at the same time in horizontal and vertical directions?​

Can a body possess velocity at the same time in horizontal and vertical directions?