1. A roller coaster with a mass of 800 kg sits stationary at the top of a section of track, 75 m above

Physics

1 answer:

gtnhenbr [62]2 years ago

7 0

Answer:

Give me some hint please

You might be interested in

Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. how can that be?

Anarel [89]

It has more mass, yes. But it has less of a gravitational pull because it is farther away from the sun than the Earth is

3 0

3 years ago

Read 2 more answers

Which describes the electric field at the center of a ring of uniform negative charge?.

Bingel [31]

Answer:

A negatively charged particle -q is placed at the center of a uniformly charged ring, where the ring has a total positive charge Q as shown in the following figure. The particle, confined to move along the x axis, is moved a small distance x along the axis ( where x << a) and released. Show that the particle oscillates in simple harmonic motion with a frequency given by,

7 0

2 years ago

When driving at night with other traffic, you should not look directly at oncoming headlights. Instead?

12345 [234]

<span>
watch the right edge of your lane and check the position of oncoming cars. </span>

5 0

2 years ago

Read 2 more answers

What is the next step if the data from an investigation do not support the original hypothesis? A. The data are revised to suppo

Leno4ka [110]

I believe the answer is D. <span>The hypothesis is revised and another experiment is conducted.</span>

5 0

3 years ago

Read 2 more answers

A 2kg block of which material would require 450 joules of thermal energy to increase its temperature by 1 degree Celsius?

12345 [234]

The block is made of A) Tin, as its specific heat capacity is $0.225 J/(g^{\circ}C)$

Explanation:

When an amount of energy Q is supplied to a sample of material of mass m, the temperature of the material increases by $\Delta T$ , according to the following equation :