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3 years ago

If engine A has more power than engine B, what does one know for sure?

Physics

2 answers:

Lina20 [59]3 years ago

8 0

Answer:

This has a better power than engine B , you will find this engine better for in gear acceleration and overtaking manuevers also this engine will allow a higher top speed.

Explanation:

fiasKO [112]3 years ago

5 0

Answer:

Engine A is able to accelerate a car faster.

Explanation:

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Can someone please help me? If somebody pushes a cart with 4N of force and the cart moves a distance of 2 meters, how much work

sergeinik [125]

Answer:

Work done, W = 8 J

Explanation:

We have,

Force acting on the cart is 4 N

Cart covers a distance of 2 m

We need to find the work done by the cart. Work done by an object is given in terms of force and displacement. It can be given by :

$W=Fd\\\\W=4\ N\times 2\ m\\\\W=8\ J$

So, the work done by the cart is 8 J.

7 0

3 years ago

A crate having mass 50.0 kg falls horizontally off the back of the flatbed truck, which is traveling at 100 km/h. Find the value

Volgvan

Answer:

$\mu = 0.786$

Explanation:

As we know that initial speed of the crate is

$v_i = 100 km/h$

$v_i = 27.78 m/s$

now finally the crate will come to rest

so we have

$v_f = 0$

now the deceleration due to frictional force is given as

$a = -\mu g$

distance moved by the crate before it will stop is given as

$d = 50 m$

so we will have

$0 - 27.78^2 = 2(-\mu(9.81))50$

$\mu = 0.786$

8 0

4 years ago

Suppose a pendulum bob is swinging back and forth. If the highest point is 12.5 cm above the lowest point, what would be speed o

Colt1911 [192]

Answer:

The speed of the bob when it passes the lowest point $V = 1.57 \frac{m}{s}$

Explanation:

Given data

$H = 12.5 \ cm = 0.125 \ m\\$

When a pendulum swinging back & forth then at highest point the velocity is zero and lowest point velocity is maximum.

Velocity at lowest point is given by

$V = \sqrt{2 g H}$

$V = \sqrt{2 (9.81)(0.125)}$

$V = 1.57 \frac{m}{s}$

Therefore the speed of the bob when it passes the lowest point $V = 1.57 \frac{m}{s}$

7 0

3 years ago

60 points thanks and brainlist plzzzzzzzzzzzzzzzzzzzzzzzzzzz

polet [3.4K]

1. Species diversity.

2. stem that stores water.

3. invasive species.

4. migrating farther into the sea.

5. genetic diversity.

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4 years ago

13. What type of lens bends light outwards and away from a point?<br> concave

mezya [45]

Answer:

No,it isn't concave. The correct answer is convex lens.

Explanation:

<em>A lens is a piece of transparent material bound by two surfaces of which at least one is curved. A lens bound by two spherical surfaces bulging outwards is called a bi-convex lens or simply a convex lens. A single piece of glass that curves outward and converges the light incident on it is also called a convex lens.</em>

7 0

3 years ago

Read 2 more answers