2 years ago

Which vector is the sum of the vectors shown below?

Physics

1 answer:

qaws [65]2 years ago

4 0

Where is the picture??

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20 cm long 10 cm wide and 5 cm thick as a mass of 500 g determine the greatest pressure that can be exerted by block on the flat

uysha [10]

100000 Pascal

Explanation:

pressure= force/area

Max pressure= force/min area

so f=5

min area= 5×10^-5

5÷5*10^-5 = 100000pascal

8 0

2 years ago

While Bob is demonstrating the gravitational force on falling objects to his class, he drops an 1.0 lb bag of feathers from the

BartSMP [9]

In the experiment of free fall bob released a bag of mass 1 lb

so here we can say that initial speed of the bag is Zero

time taken by the bag to free fall is given as

t = 1.5 s

also the acceleration of free fall is given as

a = 9.8 m/s^2

now we will use kinematics equation here for finding the distance of free fall

$d = v_i * t + \frac{1}{2} at^2$

$d = 0 + \frac{1}{2}*9.8* 1.5^2$

$d = 4.9 * 2.25$

$d = 11.025 m$

so the bag will fall down by total distance of 11.025 m from its initial released position.

3 0

3 years ago

can someone help me answer this question? A student connected an ammeter as shown in this picture. Did the student connect the a

nalin [4]

Answer:

No - It is connected in parallel instead of series

Explanation:

4 0

2 years ago

Plz answer all 5 of the questions i will give brainlyest

lubasha [3.4K]

Answer:

1)force:- force is an external affert by any body on an object.

2) force and motion are related to each other. force helps to create motion in any object.

3) frictional force

4) Newton

6 0

2 years ago

How long can a flashlight run for if it draws 0.11 amps and its battery contains 10 coulombs of change?

Alex17521 [72]

Answer:

Battery will run for t = 90 s

Explanation:

As we know that rate of flow of charge is known as electric current

So we will have

$i = \frac{Q}{t}$

$i = 0.11 A$

$Q = 10 C$

now we have

$t = \frac{Q}{i}$

$t = \frac{10}{0.11}$

$t = 90 s$

8 0

3 years ago