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3 years ago

A tide of increased range that occurs during the new and full moons is called

Physics

1 answer:

irina [24]3 years ago

4 0

A tide of increased range that occurs during the new and full moons is called Spring Tide.

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A ballistic pendulum can be used to measure the speed of a projectile, such as a bullet. The ballistic pendulum consists of a st

klasskru [66]

Answer:

$v_1 = 896.35 m/s$

Explanation:

As we know that bullet + pendulum system will move to the height of 0.650 m above the initial position

so here we can use energy conservation to find the speed just after the bullet hit the block

$mgh = \frac{1}{2}mv^2$

$v = \sqrt{2gh}$

$v = \sqrt{2(9.81)(0.650)}$

$v = 3.57 m/s$

Now we can use momentum conservation to find the initial speed of the bullet

$m_1v_1 = (m_1 + m_2)v$

$0.0100 v_1 = (2.50 + 0.01)(3.57)$

$v_1 = 896.35 m/s$

8 0

3 years ago

A car with a mass of 1,400 kg is traveling at a speed of 40 m/s. What is its momentum?

adell [148]

Answer:

The answer is

Explanation:

The momentum of an object can be found by using the formula

<h3>momentum = mass × velocity</h3>

From the question

m = 1400 kg

v = 40 m/s

We have

momentum = 1400 × 40

We have the final answer as

Hope this helps you

7 0

3 years ago

Plzz help! A stationary speed gun emits a

baherus [9]

Answer:

The speed of the baseball is approximately 19.855 m/s

Explanation:

From the question, we have;

The frequency of the microwave beam emitted by the speed gun, f = 2.41 × 10¹⁰ Hz

The change in the frequency of the returning wave, Δf = +3190 Hz higher

The Doppler shift for the microwave frequency emitted by the speed gun which is then reflected back to the gun by the moving baseball is given by 2 shifts as follows;

$\dfrac{\Delta f}{f} = \dfrac{2 \cdot v_{baseball}}{c}$

$\therefore{\Delta f}{} = \dfrac{2 \cdot v_{baseball}}{c} \times f$

Where;

Δf = The change in frequency observed, known as the beat frequency = 3190 Hz

$v_{baseball}$ = The speed of the baseball

c = The speed of light = 3.0 × 10⁸ m/s

f = The frequency of the microwave beam = 2.41 × 10¹⁰ Hz

By plugging in the values, we have;

$\therefore{\Delta f} = 3190 \ Hz = \dfrac{2 \cdot v_{baseball}}{3.0 \times 10^8 \ m/s} \times 2.41 \times 10^{10} \ Hz$

$v_{baseball} = \dfrac{3190 \ Hz \times 3.0 \times 10^8 \ m/s }{2.41 \times 10^{10} \ Hz \times 2} \approx 19.855 \ m/s$

The speed of the baseball, $v_{baseball}$ ≈ 19.855 m/s

3 0

3 years ago

Only about 50% of the solar energy directed toward Earth penetrates directly to the surface. Explain what happens to the rest of

Tresset [83]

Answer:

it is absorbed or reflected by the atmosphere

Explanation:

In the case when approx 50% only of the solar energy would be directed towards earth and it would be penetrates directly to the surface so the rest or remaining of the radiation would be either absorbed or refected by the atmosphere

So as per the given situation the above represent the answer

hence, the same is to be considered and relevant

4 0

3 years ago

Read 2 more answers

PLEASE HELP:( urgent!!

never [62]

Fnet =ma
1560)(1.3102)
the answer is b

7 0

2 years ago