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A roller coaster has a velocity of 12 m/s at the top of a hill. Four seconds later it reaches the bottom of the hill with a velocity of 20 m/s. What force is being experienced by an 80 kg high school student at the bottom of the hill?
First, read more ..

off-topic

RinOsieczanek May 12, 2020

0

560

0

+0

What is life...

What is the acceleration of a softball if it has a mass of 500 g and hits the catcher's glove with a force of 25 N?

off-topic

RinOsieczanek May 12, 2020

0

571

0

+0

Theres gonna be a lot from me

A broken down car, with a mass of 3,126.12 lbs, is accelerated at 1.65 m/s2 when pulled by a tow truck. What is the force exerted on the broken down car by the tow truck?

off-topic

RinOsieczanek May 12, 2020

0

525

0

+0

Thanks for your help

A soccer ball is kicked with a force of 15.2 N. The soccer ball has a mass of 2.45 kg. What is the ball’s acceleration?

off-topic

RinOsieczanek May 12, 2020

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566

0

+0

I need help again...like always

The acceleration due to gravity on Earth is 9.8 m/s2. If a person has a mass of 60 kg, what is the weight of that individual in Newtons?

off-topic

RinOsieczanek May 12, 2020

0

619

0

+0

Help Im so clueless

Josh rolled a bowling ball down a lane in 0.1 minutes. The ball traveled at a constant acceleration of 1.8 m/s2 down the lane and was traveling at a speed of 12.8 m/s by the time it reached the pins at the end of the lane. How read more ..

off-topic

RinOsieczanek May 12, 2020

0

569

1

Help

Find a/b when $2\log{(a -2b)} = \log{a} + \log{b}$.

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Guest May 12, 2020

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536

1

counting

There are 30 students in Mr Magorium's discrete mathematics class: 23 of his students major in mathematics, 12 major in physics, and 3 major in subjects outside of math and physics. How many double major in mathematics and physics?

geno3141 ●

Guest May 12, 2020

0

500

0

Help me out here please

Josh rolled a bowling ball down a lane in 0.1 minutes. The ball traveled at a constant acceleration of 1.8 m/s2 down the lane and was traveling at a speed of 12.8 m/s by the time it reached the pins at the end of the lane. How fast was the ball read more ..

off-topic

Guest May 12, 2020

0

568

2

please help

The lower vertices of a square lie on the x-axis while the upper vertices lie on the parabola given by y = 35 − x^2 . What is the area of the square?

geno3141 ●●

Guest May 12, 2020

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716

1

+28

help

A car is traveling 57 miles per hour for 3 hours at a direction 31˚ south of west. Find the exact coordinates of the car after 3 hours.

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ilovebob24 May 12, 2020

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650

1

+28

help

Find the cube roots of the following:

343(cis π)

geno3141 ●

ilovebob24 May 12, 2020

0

620

1

+28

help

Use DeMoivre’s Theorem to find the following:

5(cis 7π/4)^4

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ilovebob24 May 12, 2020

-2

608

1

+73

Convert the fraction to base b

Convert the fraction to base b
If you could explain and show how you did it, it would really help me understand, thanks :)

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jellybeans207 May 12, 2020

-2

608

1

+73

HELP PLS :)

Convert the fraction 1/7 to base 8.
If you could explain and show how you did it, it would really help me understand, thanks :)

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jellybeans207 May 12, 2020

0

723

1

+223

Help Please!!! All Help Appreciated!

Real numbers x and y have a difference of 16 and a product of 23. Find x^2+y^2.

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CPhilFanboy May 12, 2020

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714

0

+1995

Monochromatic light of 500.0 nm falls on a single slit of width 0.095 mm. T

Monochromatic light of 500.0 nm falls on a single slit of width 0.095 mm. The slit is located 85 cm from a screen. How far from the center is the first dark band?

jjennylove May 12, 2020

0

625

1

Given the following complex number, find the following.

Given the following complex number, find the following.

3√2 + 6i^87
read more ..

ElectricPavlov ●

Guest May 12, 2020

0

568

1

help

Convert from rectangular form to polar form.

a) (-4,4)
read more ..

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Guest May 12, 2020

0

661

1

+28

help please

Convert from polar form to rectangular form.

a) (4, 5π/3)
read more ..

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ilovebob24 May 12, 2020

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844

2

+223

Plz Help CPhil

Of the five quadratics listed below, four of them have two distinct roots. The fifth quadratic has a repeated root. Find the value of the repeated root.

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CPhilFanboy May 12, 2020

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565

2

quadratic

Let a and b be the roots of x^2 - 5x + 143 = 0. Find (a - 1)(b - 1).

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Guest May 12, 2020

0

560

1

What is (3 3/20) (50) in scientific notation?

What is (3 3/20) (50) in scientific notation?
Would it be 3.15x10^50?

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Guest May 12, 2020

0

596

1

help please

Simplify

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Guest May 12, 2020

0

572

1

Help me please

The momentum of a car traveling in a straight line at 30 m/sec is 42,000 kg·m/sec. What is the car’s mass in pounds?

off-topic

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Guest May 12, 2020

All Questions ⁺⁰238403 Questions

. . .

What is life...

Theres gonna be a lot from me

Thanks for your help

I need help again...like always

Help Im so clueless

Help

counting

Help me out here please

please help

help

help

help

Convert the fraction to base b

HELP PLS :)

Help Please!!! All Help Appreciated!

Monochromatic light of 500.0 nm falls on a single slit of width 0.095 mm. T

Given the following complex number, find the following.

help

help please

Plz Help CPhil

quadratic

What is (3 3/20) (50) in scientific notation?

help please

Help me please

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