In: Civil Engineering

1. When a SMALL EGG is dropped onto the piece of
1-inch foam, from which height did the egg break entirely? Select
all that apply.

a. When dropped from 1 meter

b. When dropped from 5 meters

c. When dropped from 10 meters

d. Nonsense! the small egg never broke when dropped onto 1-inch
foam

2. When a small egg is dropped onto the piece of
1-inch foam, from which height did the egg fracture but not break?
select all that apply

a. When dropped from 1 meter

b. When dropped from 5 meters

c. When dropped from 10 meters

d. Nonsense! the small egg never broke when dropped onto 1-inch
foam

3. When a LARGE EGG is dropped from a height of 10
meters, upon which landing surface did the egg break entirely?
select all that apply.

a. When landing on the hard floor

b. When landing on the 1-inch piece of foam

c. When landing in the box filled with foam pieces

d. Nonsense! the large egg never broke when dropped onto any of the
landing surfaces from a height of 10 meters

Background: This interactive involves observing the results of dropping an egg onto a surface. The size of the egg, the height from which it is dropped, and the characteristics of the landing surface can be varied. The effect of variation upon the safety of the egg will be examined. The interactive is based on the impulse-momentum change theorem. The question s target a Interactive ability to reason scientifically.

A ball, dropped onto a hard floor from a height of 2 meters,
bounces to a height of 1.8 meters, 90% of the initial height. Each
subsequent bounce is 90% the height of the previous one. Find the
total distance the ball travels up and down (i.e. after the first
collision with the ground it has traveled 2 meters down and 1.8
meters up, giving a total distance of 3.8 meters).

A soft tennis ball is dropped onto a hard floor from a height of
1.70 m and rebounds to a height of 1.17 m. (Assume that the
positive direction is upward.) (a) Calculate its velocity just
before it strikes the floor. m/s (b) Calculate its velocity just
after it leaves the floor on its way back up. m/s (c) Calculate its
acceleration during contact with the floor if that contact lasts
3.50 ms. m/s2 (d) How much did the ball...

a
2.00 kg ball is dropped from a height of 1.23 m and when it hits
the ground it receives an upward impulse of 15.7N*s. To what height
does the ball bounce?

1)A 861 g rubber ball is dropped from height 15.1 m, and it
rebounds to height 3.15 m. Assuming there is no air friction, find
the magnitude of the impulse, in N-s, exerted by the ground on the
ball.
2)Milly (mass 98.7 kg) runs at 2.73 m/s along the positive
x-axis and then jumps onto a stationary 278 kg box. Milly
and the box slide across the floor for distance 0.357 m, and then
they come to a stop. Find...

An open rectangular box is made from a 9 inch by 12 inch piece
of cardboard by cutting squares of side length ? from the corners.
Determine the length of the sides of the square which will maximize
the volume. (Clearly identify the function in terms of one variable
and state the domain, then solve.)

(14pts) Suppose a piece of chalk has length 1. When it drops
onto the floor, it breaks into two pieces. Suppose the breaking
point is uniformly distributed on the chalk. Let X denote the
length of the shorter piece and R the ratio of the lengths of the
shorter to the longer piece. Then X has uniform distribution on [0,
1 2 ]. (a) (6pts) Find the probability density function of R. (b)
(8pts) Find the mean and variance of...

I am trying to the max voltage produced from a magnetic being dropped through a wire with a relationship on the height the magnet is dropped from. I know that emf=-V= N(partial derivative of magnetic flux). But I am not sure how to relate this to the height the magnet is dropped through a solenoid (wire coil). It would be amazing if anyone could help me with this formula. I tried finding the velocity with Ki, Ko and Ui, and...

A ball is dropped from 2.00 and rebounds to a height of 1.75m.
What is the maximum height it will achieve after bouncing 7 more
times?

A stone is dropped into a river from a bridge at a height h
above the water. Another stone is thrown vertically down at a time
t after the first is dropped. Both stones strike the water at the
same time. What is the initial speed of the second stone? Give your
answer in terms of the given variables and g.

A block of mass 4kg is dropped from a height of 2 meters on
Earth. If that block is taken to a different planet, where the
acceleration due to gravity is 1/4 as strong as it is on Earth, how
high should the block be dropped so that it hits the ground with
the same final velocity as on Earth? (Hint: you do not need to use
gravitational force for this) Express your answer to a maximum of 2
significant...

ADVERTISEMENT

ADVERTISEMENT

Latest Questions

- Task Description Task No. Must Follow Expected time(days) Reserve the meeting room A
- This is a Python project and I´m wondering if anyone has a simple solution for this?...
- Please answer in C++! Let me know if you have any questions about these. Program 1:...
- Sports Stuff, Inc. (SSI) is a manufacturing firm that produces sporting goods. They have started operating...
- A loan company wants to design a database to track student loans. Each student attending school...
- Now suppose Thermata officers want to ascertain employee satisfaction with the company. They randomly sample nine...
- A 3.61 kg particle has the xy coordinates (-1.06 m, 0.516 m), and a 3.39 kg...

ADVERTISEMENT