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Who put the F in Friction? Potent Potables 1.21 Jigawatts!? Where’s Big Bertha At? Caw! Let’s PARTY-cle physics.

A 100 This is the greater of the two friction forces.

A 100 What is static friction?

A 200 This is the magnitude of the friction force acting on the box above.

A 200 What is 10 N?

A 300 This is the normal force exerted on a 50-N box at rest on a 30° inclined surface.

A 300 What is 43 N?

A 400 This decreases when a surface gets wet, but stays the same when the incline or weight of the object changes.

A 400 What is the coefficient of friction (μ)?

A 500 When comparing the force to start a 5-kg wooden object moving on a wood floor, and the force to keep it moving at constant speed, this force is greater, and has a magnitude of this.

A 500 What is the force to start an object moving and 21 N?

B 100 When a bullet is fired from a rifle, the momentum of this is greater.

B 100 What is neither?

B 200 When comparing the impulse provided by a seat belt/ air bag to the impulse provided by the windshield, this is greater.

B 200 What is neither?

B 300 For a given change in momentum, if contact time increases, this decreases.

B 300 What is force?

B 400 When two stationary children on roller blades push off each other, this and this are the same, but this is different, because they have two different masses.

What Force exerted and impulse (Δp) stay same, and velocity is different? B 400

A 1500-kg car driving 25 m/s east crashes into a 3000-kg car going 25 m/s west on the highway. This is the final momentum of the two cars after collision, if the cars lock together. B 500

What is kg m/s? B 500

C 100 This is the work required to hold a 50 kg weight 0.5 m above your head.

C 100 What is 0 J?

C 200 The work required to lift an object straight up is calculated by multiplying these two specific quantities.

C 200 What is weight of the object and height?

C 300 As time to lift something above your head decreases, this increases.

C 300 What is Power?

C 400 To determine work from the above graph, you would determine this.

What is area under the curve? C 400

C 500 Since 400 J are required to lift the weight above with the pulley, this is the work done against friction..

What is 40 J? C 500

In the absence of an electroscope, this is the true test for charge. D 100

What is repulsion? D 100

DAILY DOUBLE D 200 DAILY DOUBLE Place A Wager

D 200 When a positive object is grounded, these move from this to this.

What is electrons move from the ground to the object? D 200

The leaves diverge more on a positive electroscope when an object with this type of charge draws near. D 300

What is positive? D 300

After experiencing a force F at a distance d from a spherically charged object, an electron feels this force at a distance of 3d. D 400

What is F/9? D 400

An object with an excess charge of -6 μC is carrying this many extra of these. D 500

What is 3.75 x extra electrons? D 500

In a closed, simple circuit with a cell, one resistor, an ammeter, and a voltmeter, this is how the circuit is drawn correctly. E 100

What is ? E 100 What is ?

To increase the resistance of a metal wire this and this can be increased, and this can be decreased, respectively. E 200

What are length and temperature, and cross- sectional area of the wire, respectively? E 200

In the circuit above, this is the magnitude of V 1, V T, I 1 and I T, respectively. E 300

What is 160V, 240V, 4A and 4A? E 300

This is the equivalent resistance of five 5-Ω resistors in parallel. E 400

What is 1Ω ? E 400

Operating at 120 V, this current is required by a motor to lift a 100-kg object a distance of 10m in 20 sec. E 500

What is 4.1 A? E 500

If you lept on a baryon, it would be made of these. F 100

What is three quarks? F 100

Multiplied by h, this will give the energy of this. F 200

What are frequency and photon? F 200

Losing 3 x u of mass results in the creation of this much of this. F 300

What is 2.79 MeV of energy? F 300

F 400 This force glues three quarks together and does not exist between leptons, These forces may not always be attractive, this force is the weakest, this force is the strongest, and these forces are short-range forces, respectively.

F 400 What is strong, electrostatic and magnetic, gravitational, strong, and strong and weak?

A hydrogen atom in the ground state absorbs a eV photon. This is the kinetic energy of the electron after ionization F 500

What is 0.4 eV? F 500

The Final Jeopardy Category is: Electric field strength Please record your wager. Click on screen to begin

Click on screen to continue A This is the magnitude and direction of the electric field strength at a location near a negative metal sphere, if the sphere exerts a force of 50,000 N on a negative 2-C charge placed at that location.

What 25,000 N/C, directed toward the negative sphere? Click on screen to continue

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