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A 1 kilogram rubber mass is released from rest at the very top of a rough incline as shown. The mass slides and finally reaches the bottom 2.9 seconds later. What material might the incline be made out

Dargaud asked Oct 15, 2024

by Dargaud

7.9k points

1 answer

1 vote

205k views

A bullet of mass 0.02kg traveling at a speed of 100 m/s comes to rest when it has gone 0.4m into sand. Find the resisting force exerted by the sand.

Rosaria asked Oct 15, 2024

by Rosaria

7.8k points

1 answer

2 votes

171k views

An object is dropped from a height of 10 m on the Moon. It takes precisely 3.49 s to hit the lunar surface. Calculate the acceleration due to gravity on the Moon. A. 2.84 m/s² B. 1.00 m/s² C. 0.70 m/s²

Abhishek Luthra asked Oct 15, 2024

by Abhishek Luthra

8.5k points

1 answer

5 votes

10.0k views

An Olympic swimmer trains in a countercurrent river. If his speed in the pool is 2.5 yards/sec, what is his real speed if the river has a speed of 0.78 m/s?

Juderb asked Oct 15, 2024

by Juderb

7.6k points

1 answer

1 vote

86.8k views

Corey, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 820 N for the first 3.0 s after the elevator starts to move, then 930 N for the next 3.0 s. Part A: What is the elevator's

Itinance asked Oct 15, 2024

by Itinance

8.2k points

1 answer

1 vote

161k views

A bowling ball with a mass of 5kg that is moving with a velocity of 3m/s has a momentum of-

Curvin asked Oct 15, 2024

by Curvin

8.7k points

1 answer

3 votes

72.6k views

How is sound energy created? OA. Energy stored in chemical bonds OB. Air molecules vibrating OC. A photon moving through the air OD. Electrons moving

Rikki Gibson asked Oct 15, 2024

by Rikki Gibson

8.1k points

1 answer

0 votes

216k views

While driving at 25m/s, what is the valuable property related to your aunt? a) Speed b) Acceleration c) Velocity d) Momentum

Ranieuwe asked Oct 15, 2024

by Ranieuwe

7.8k points

1 answer

5 votes

176k views

What is an example of something started on the molecular level as opposed to the atomic level? A. hydrogen B. oxygen C. water D. protons

Victor S asked Oct 15, 2024

by Victor S

7.5k points

1 answer

0 votes

126k views

A jet is flying at a speed of 1281.6 km/h in an air temperature of 25.0 C. What is the Mach number of the jet? What does this number mean? [4 marks]

David Henty asked Oct 15, 2024

by David Henty

8.3k points

1 answer

3 votes

232k views

A natural pause that falls within a metrical line

Borjab asked Oct 15, 2024

by Borjab

8.1k points

1 answer

3 votes

57.2k views

Goniometer measures 0 degrees in the neutral position of a healthy, normal individual with these exceptions: (a) Flexed wrist. (b) Extended elbow. (c) Extended knee. (d) Extended ankle.

Assad Ebrahim asked Oct 15, 2024

by Assad Ebrahim

8.2k points

1 answer

4 votes

79.6k views

Two particles moving with constant velocity are described by the position vectors: .p = p₀ + vt, s= S₀ + wt. Find the shortest distance between the particles themselves.

Anton Soradoi asked Oct 15, 2024

by Anton Soradoi

8.7k points

1 answer

3 votes

74.6k views

This spacecraft orbited Saturn from July 2004 until September 2017. It studied Saturn and its moons and released a probe which landed on Titan. a. Spirit b. Opportunity c. Cassini d. Galileo e. New Horizons

Alon M asked Oct 15, 2024

by Alon M

8.2k points

1 answer

3 votes

151k views

Most ___ Buildings are supplied with 120\240 Volt services. This means that the cable assembly is made up of ___ ungrounded conductors each supplying 120 V with one ground. A) Residential , Three. B) Household,

GDICommander asked Oct 15, 2024

by GDICommander

8.1k points

1 answer

5 votes

10.0k views

A rocket launched from an initial height of 1.2 m reaches a height of 14 m then falls to the ground. a. Draw a vector diagram of the rocket's movement. b . How far away vertically does the rocket land

Barjavel asked Oct 15, 2024

by Barjavel

8.6k points

1 answer

0 votes

54.4k views

9. Describe an investigation a student could do to find how length of wire affects resistance. Include risk assessment [6]

MPA asked Oct 15, 2024

by MPA

8.1k points

1 answer

4 votes

198k views

on a workday the average decibel level of a busy street is 65 db, with 139 cars passing a given point every minute. if the number of cars is reduced to 45 cars every minute on a weekend, what is the decibel

Michael Gardner asked Oct 15, 2024

by Michael Gardner

7.9k points

1 answer

5 votes

159k views

if the tension on the string is doubles what is the frequency required to get the funamental mode back

Bsquare asked Oct 15, 2024

by Bsquare

7.4k points

1 answer

5 votes

70.6k views

Why can't objects in the physical world be the source of true knowledge?

Victor Company asked Oct 15, 2024

by Victor Company

8.3k points

1 answer

0 votes

207k views

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