1. Katie, a 30.0 kg child, climbs a tree to rescue her cat who is afraid to jump 8.0 m to the ground. How much work does Katie do in order to reach the cat? *Use g=9.8 a. 1, 720 J b. 2, 400 J c. 1, 340 J d. 240 J e. 580 J

Q: A proton moves through a uniform magnetic field 2.0 µT at a speed of 5.00 x 106 m/s. (a) What is the...

A: Magnetic field (B) = 2 μT speed (v) = 5×106 ms  

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Q: Two progressive waves ?1=?sin(2???−??)y1=Asin⁡(2πλx−ωt) and ?2=?sin(2???−??−?2)y2=Asin⁡(2πλx−ωt−π2) ...

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A: From definition of flux to find the sign of flux , we need to see the angle between area vector and ...

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Q: initially moving horizontally at vo = 3 x106 m/s when it enters a uniform electric field of 5.6 N/C ...

A: We know that the electric force in terms of the electric field is given as  F = qE  -------- eq1  wh...

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Q: Molly is doing an experiment. She has two speakers set up d = 6.2 m apart. They each play the same t...

A: Given, distance between the two loud speakers, d = 6.2 m frequency of sound, f = 462 Hz speed of sou...

Q: 4. Use the following five words (together with other words) in a single sentence that makes scientif...

A: Kinetic - The energy produced by motion or possessed by movement of particles Static - Force exerted...

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Q: 5) A 0.042 kg block is at the top of a frictionless track of height 1.3 m. The block slides down the...

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Q: The string of 11 meters long is clamped at the ends and is vibrating as the fifth harmonic. The stri...

A: Given: The length of the string is 11 m. The number of the harmonic is 5. The wave completed 59 vibr...

Q: 182 242 F 302 Rq: ? 122 G 422 Carent? Resistaare at cahreswhr? any okr help plz. 65V

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Q: The linear velocity of point P is equal to the linear velocity of point Q. A Blu-ray disc rotates co...

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Q: Current Attempt in Progress In the circuit of the figure 8 = 3.93 kV, C = 9.60 µF, R1 = R2= R3 = 0.9...

A: Given: Applied voltage, E=3.93 kV Resistances, R1 = R2 = R3= R=0.930 MΩ   To find, when circuit is c...

Q: Draw a circuit diagram. A circuit with a 2 cell battery and a resistor in series connected to two mo...

A: We need to draw a circuit diagram consists of two cell battery with resistor in series and two paral...

Q: *7 A fuse in an electric circuit is a wire that is designed to melt, and thereby open the circuit, i...

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Q: TVUUUIE Z ASsessment Single choice 11) The intensity or exposure of a source is 450 mR/hr at a dista...

A: Given value--- intensity = 450 mR/hr  at r = 4 yard . We have have find---  intensity at 9 feet?

Q: 027 When 115 V is applied across a wire that is 10 m long and has a 0.30 mm radius, the magnitude of...

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Q: Problem 8: A capacitor of capacitance C = 6 µF has been charged so that the potential difference bet...

A: C = 6 μF Vo = 205 Volts R = 19500 ohm   

Q: A soccer ball is kicked from the ground with an initial speed of 20.5 m/s at an upward angle of 40.0...

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Q: Much of Jupiter's atmosphere (between pressures of 1 and 10^-6 bars) is reasonably well approximated...

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Q: In the figure, a 3.8 kg block slides along a track from one level to a higher level after passing th...

A: The mass of the block is M=3.8 kg The initial speed of the block is v0=6.3 m/s The height difference...

Q: Find the strength of the magnetic field vector H = 5i + 3j + 7k in the direction of 2i - j+ 2k, wher...

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Q: In the figure, two blocks are connected over a pulley. The mass of block A is 5.20 kg and the coeffi...

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Q: is false please provide the correct statement. 1. Gravity is a force that can be changed. True / Fal...

A: Part (1): Introduction: The gravity is a natural phenomenon by which all thing with mass attract to ...

Q: Čonsider three charges, QA +6.0 µC, Q B = +8.0 µC and Qc = -2.0 µC. Charge QAis placed at point A = ...

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Q: A playground is on the flat roof of a city school, 6.00m above the street below. The vertical wall o...

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Q: What is the direction of the electric field at the test point on the -x-axis, 50 cm from the charge ...

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Q: Select all true statements. The velocity of detonation (VOD) of an explosive ... 1-increases linear...

A: The true statements for the velocity of detonation (VOD) of an explosive are

Q: The magnitude of the electric field is 75 N/C at a distance of 64 cm from a point charge. What is th...

A: Given data:  Electric field (E) = 75 N/C Distance (r) = 64 cm = 0.64 m Required: The magnitude of th...

Q: 4 A sphere of uniform density has a polar moment of inertia about its center of mass of (2/5)mr2 wh...

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Q: An ultrasound beam incident at an angle of 15° from fat tissue into muscle tissue, calculate the ang...

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Q: A 5 kg box is attached to a spring that has an elastic coefficient of 110 N/m. The spring is compres...

A: mass of box (m) = 5 kg spring constant (k) = 110 Nminitial compression (d) = 0.65 m   

Q: A 5.19 mm high firefly sits on the axis of, and 11.1 cm in front of, the thin lens A, whose focal le...

A: The height of the firefly is hA=5.19 mm The height of the image of the firefly is denoted by HA. The...

Q: Three charges are at the corners of an isosceles triangle as shown in (Figure 1). The +5.00 µC charg...

A: Dipole: Dipole is a configuration in which a pair of oppositely charged particles or magnetic poles ...

Q: Problem 2: A block with a mass of m = 31 kg rests on a frictionless surface and is subject to two fo...

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Q: Given the attached info: A. As it passes the origin, what are the strength and direction of the magn...

A: Given, Vx=1.0×10^7m/s

Q: 3. Determine the momentum of a system of the two objects. One object, m1, has a mass of 35 kg and a ...

A: Given: m1=35 kgv1=3.7 m/s (east)m2=57 kgv2=4.3 m/s (west) taking east as positive direction, than v1...

Q: In a science demo Guy the science dude charged a sphere with a charge of -5.6e-6 Coulombs worth of e...

A: Given data:  Charge (q1) = -5.6×10-6 C Charge (q2) = +2×10-6 C Distance (r) = 0.1 m Required: The ma...

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Q: Electromagnetic wave of unknown wavelength passes through the slit of width a =3.79 µm and the first...

A: Use diffraction condition and put the values this will give Wavelength of the electromagnetic wave.

Q: 9. Which of the following is not an example of electric potential energy? *   A. An incandescent lig...

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Q: 2.9 Find the total weight of a 10 ft' tank of oxygen if the oxy- gen is pressurized to 500 psia, the...

A: Given, Total weight=10ft³ Pressure=500psia Temp=70f Tank pressure=150psia

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A: Given, Ideal gas law, PV = kT volume of the tank, V = 400 in3 pressure, P = 130 poundsin2 Temperatur...

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A: