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23 Two carts on a frictionless track have mass m and 4m respectively. The heavier cart is travelling 0.78 m/s [E] and less massive cart is travelling 1.3 m/s [W). After a head-on elastic collision, determine

Ben Burnett asked Oct 15, 2024

by Ben Burnett

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vx is the velocity of a particle moving along the x axis as shown. If x = 2.0 m at t = 1.0 s, what is the position of the particle at t = 6.0 s?

Ilan Klinghofer asked Oct 15, 2024

by Ilan Klinghofer

7.4k points

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a turntable of radius 25 cm and rotational inertia 0.0154kg·m2 is spinning freely at 22.0 rpm about its central axis, with a 19.5g mouse on its outer edge. the mouse walks from the edge

Sacha Bruttin asked Oct 15, 2024

by Sacha Bruttin

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2 answers

1 vote

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Exothermic processes (negative enthalpy change) have a tendency to be _________ processes. a) Spontaneous b) Endothermic c) Non-reactive d) Equilibrium-seeking

Hidayt Rahman asked Oct 15, 2024

by Hidayt Rahman

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4 votes

46.8k views

two plane mirrors are at right angles to each other. a man stands between them and combs his hair with his right hand. in how many of the images will he be seen using his right hand? none 1 2 3

Pramote Kuacharoen asked Oct 15, 2024

by Pramote Kuacharoen

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3 votes

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A stone of mass m is dropped from a sheer cliff of height h. The wind exerts a force F on the stone. Assume the wind is parallel to the face of the cliff and the ground and F is constant. (Use any variable

JFV asked Oct 15, 2024

by JFV

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1 answer

4 votes

86.1k views

What is mass? a) A measure of the amount of matter in an object and only depends on the number and kind of atoms that compose it. b) A fundamental concept depending only on the internal makeup of an object

Maciek asked Oct 15, 2024

by Maciek

7.9k points

1 answer

3 votes

43.2k views

A capacitor that initially does not have charge C = 15uF and a resistor R = 51 is connected to a battery of V = 15V. If the capacitor and resistor are connected in series, answer the following: (a) Find

Shanay asked Oct 15, 2024

by Shanay

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4 votes

201k views

a solenoid carries current. an electron is moving within the solenoid, but experiences no force. how is this possible?

Raja Jaganathan asked Oct 15, 2024

by Raja Jaganathan

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1 answer

4 votes

119k views

Newton concluded that some force had to act on the Moon because a. a force is needed to keep the Moon in motion. b. a force is needed to pull the Moon outward. c. a force is needed to pull the Moon away

Timbo White asked Oct 15, 2024

by Timbo White

8.3k points

1 answer

2 votes

193k views

What invention made it possible to build rockets whose final speed is sufficient to put it on orbit around the Earth?

Pierre De Buyl asked Oct 15, 2024

by Pierre De Buyl

8.8k points

1 answer

0 votes

120k views

Many of Wilson's clients complain to him that their skin always appears very bluish-green when they are sitting in his chair. Which of the following would most likely be the cause of this? a. the natural

Kathir asked Oct 15, 2024

by Kathir

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A cyclist coasts down one hill and up another hill until she comes to a stop. The point at which the bicycle stops is lower than the point at which it started coasting because part of the original potential

Etene asked Oct 15, 2024

by Etene

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3.8k views

A speed boat leaves the beach and has an initial displacement of 650 m 45° north of west, then again travels 400 m 10° north of east. after stopping for a while, it traveled 550 m, 130°. finally, it covered

Majid Joghataey asked Oct 15, 2024

by Majid Joghataey

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1 answer

3 votes

66.3k views

In the warm up, you reviewed the equation to calculate kinetic energy. What question could you ask about kinetic energy which will include the variables that affect it?

Mkuff asked Oct 15, 2024

by Mkuff

7.3k points

1 answer

3 votes

122k views

Find the momentum of a helium nucleus having a mass of 6.68 × 10⁻²⁷ kg that is moving at0.200c.

Annie Gupta asked Oct 15, 2024

by Annie Gupta

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0 votes

205k views

A wheelbarrow has a wheel with a diameter of 10 in. what is the distance, in inches, that the wheelbarrow travels after 5 rotations of the wheel?

Mediarts asked Oct 15, 2024

by Mediarts

8.1k points

1 answer

2 votes

221k views

How much pressure is applied to the ground by a 105 kg man who is standing on square stilts that measure 0.04 m on each edge? Answer in units of Pa.

Aleksey Kontsevich asked Oct 15, 2024

by Aleksey Kontsevich

7.3k points

1 answer

1 vote

158k views

What is the tension in string number 1 if the mass of m1 is 4.0 kg and the mass of m2 is 1.0 kg?

Sam Johnson asked Oct 15, 2024

by Sam Johnson

8.0k points

1 answer

0 votes

75.8k views

Now consider the case where switch S2 is also closed, so Find the current in the path from a to c. Find the current in the path from c to b. Find the current in the path from d to b.

Ross Bush asked Oct 15, 2024

by Ross Bush

8.5k points

1 answer

4 votes

90.0k views

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