subject

Physics, 02.11.2021 04:30 Powerhickory1313

Bob, mass 71 kg, steps on an elevator on the ground floor. The doors close, and it takes 1.2 seconds to reach its cruising speed of 1.5 m/s. The elevator moves upward at that speed for 40 seconds, then slows to a stop in another 1.2 seconds. (a.) What is Bob's apparent weight during the 1.2 seconds when the elevator is speeding up?

(b.) What is Bob's apparent weight during the last 1.2 seconds when the elevator is slowing down?

ansver

Answers: 1

Show answers

Another question on Physics

question

Physics, 22.06.2019 00:30

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Answers: 2

question

Physics, 22.06.2019 11:50

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

Answers: 2

question

Physics, 22.06.2019 15:50

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

Answers: 1

question

Physics, 22.06.2019 22:00

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.

Answers: 1

You know the right answer?

Bob, mass 71 kg, steps on an elevator on the ground floor. The doors close, and it takes 1.2 seconds...

Questions

question

Mathematics, 19.10.2019 05:10

Above is susan's graph of the equation y = 2x. what are the coordinates for the two red points? what is the slope of the line? what is the y interce...

question

English, 19.10.2019 05:10

Which statement best explains the impact the imagery in stanza 3 has on the overall meaning of the poem? a. the imagery of the clear sky...

question

English, 19.10.2019 05:10

Ms. hayes, who loved teaching, dedicated her life to education. direct object subject object of a preposition possession...

question

History, 19.10.2019 05:10

The rivalry between sellers to acquire consumers and increase market share: a)trade. b)sports. c)competition. d)rivalry...

question

English, 19.10.2019 05:10

Read this line from vice president lyndon b johnson’s memorial day speech: but to feel to ask him and of all americans perseverance within the proces...

question

Mathematics, 19.10.2019 05:10

The histogram shows the lengths of pencils people in a study were using. which description best fits the distribution of the data shown in the histogr...

question

Mathematics, 19.10.2019 05:10

Going from point a to point b, the cheetah traveled at an average rate of 70 mph. returning to point a, the cheetah traveled at an average rate of 40...

question

English, 19.10.2019 05:10

Describe the gifts that mr. pirzada gives lilia and how lilia cares for these gifts. why might she feel she should not eat the candy "in a casual mann...

question

Business, 19.10.2019 05:20

Does listening to soothing music employees concentrate better? a psychologist studied the number of puzzles employees of a large business were able...

question

Business, 19.10.2019 05:20

During fy 2017, the voters of surprise county approved construction of a $21 million police facility and an $11 million fire station to accommodate th...

question

Computers and Technology, 19.10.2019 05:20

Asecurity consultant is improving the physical security of a sensitive site and takes pictures of the unbranded building to include in the report. two...

question

Business, 19.10.2019 05:20

George, an unmarried cash basis taxpayer, received the following amounts during 2016: interest on savings accounts$2,000interest on a state bond600int...

question

Physics, 19.10.2019 05:20

The quantity t1/2=τ ln 2 is called the half-life of an exponential decay, where τ=rc is the time constant in an rc circuit. the current in a dischargi...

question

Physics, 19.10.2019 05:20

Oceanographers use submerged sonar systems, towed by a cable from a ship, to map the ocean floor. in addition to their downward weight, there are buoy...

question

Arts, 19.10.2019 05:20

What makes the renaissance the renaissance?...

question

Arts, 19.10.2019 05:20

What distinguishes renaissance music from medieval music, and how, in the broadest terms, do musical innovations of the time fit together with cultura...

question

Physics, 19.10.2019 05:20

Abullet with mass 20 grams and velocity 100 m/s collides with a wooden block of mass 2 kg. the wooden block is initially at rest, and is connected to...

question

Social Studies, 19.10.2019 05:20

Aclinical psychologist wants to test a treatment to reduce the self-injury behavior of an autistic child. she faces an ethical dilemma of needing to r...

question

Social Studies, 19.10.2019 05:20

Amother is trying to get her child to behave in the store and to stop running around, yelling, and grabbing things off the shelves. according to cogni...

question

Computers and Technology, 19.10.2019 05:20

An indention where the first line of text is indented and the second and succeeding lines start at the left margin is called...

More questions: Physics Another questions

Questions on the website: 13722359