Physics, 24.03.2021 16:30 smariedegray

Name Review
Date
Period
x (m)
70
1. Consider the position vs. time graph at right.
a. Determine the average velocity of the
object.
60
50
40
30
20
b. Write a mathematical equation to describe
the motion of the object.
10
1
2.
3
45
6
7 t()
V
imist
Shown at right is a velocity vs. ti me graph for an object.

Name

Review
Date
Period
x (m)
70
1. Consider the position vs. time graph at right.
a. Determine t

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 05:00

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

Answers: 1

Answer

Physics, 22.06.2019 08:30

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

Answers: 2

Answer

Physics, 22.06.2019 12:30

Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (ρ = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.

Answers: 1

Answer

Physics, 22.06.2019 21:20

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s

Answers: 3

Answer

You know the right answer?

Name Review
Date
Period
x (m)
70
1. Consider the position vs. time gr...

Questions

Physics, 28.01.2021 14:00

A car which is traveling at a velocity of 1.6 m/s undergoes an acceleration of 9.2 m/s over a distance of 540 m. How fast is it going after that acce...