Need help on this practice 12

Q: W4 11.13

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Q: A 4 kg cart moving to the east at 5 m/s collides inelastically with a 3 kg cart moving to the west…

A: Given, Two carts are moving opposite to each other One cart has a mass of 4 kg and a speed of 5 m/s…

Q: eed help with #4

A: To determine,initial velocity (vo).given,f(t)=−16t2 +32t+48g(t)=−16t2 +votheight of the bridge(h)=48…

Q: 5. A box-shaped piece of concrete measures 3 ft by 2 ft by 0.5 ft. (a) What is its weight? (b) Find…

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Q: 9. An object weighing 38N rest on a surface. The coefficient of friction between the surface and the…

A: Part (9): Given: The weight of the object is 38 N. The coefficient of friction is 0.25. The applied…

Q: An electron is accelerated from rest through a voltage of 420 V and then enters a region of constant…

A: Given: In this question, the given details are, An electron is accelerated from rest through a…

Q: The diagram below shows a 12 V battery connected to two resistors. Resistor 1 = 15 ohms & resistor 2…

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Q: An 18, 9, and 6 ohm resistor are connected in series to a battery. The current in the 9 ohm resistor…

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Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: QUESTION 2 In Figure 1, a layer of oil (noil =1.21) floats on water (ne=1.33). A ray of light shines…

A: Refracted index of oil (Noil) = 1.21 Refracted index of water (Nwater) = 1.33 incident angle ( )  =…

Q: A transformer changes the voltage from 110 VAC to 290 VAC. If the original current is 24 A, what is…

A: Given Data: Primary Voltage Vp=110 VAC  Secondary Voltage Vs=290 VAC  Primary Current Ip=24 A  To…

Q: It takes 1.15 hours to pour a 200ft long by 8ft high and 8in thick wall. What is the rate of pour in…

A: Volume flow rate is the rate at which water flows over volume.Volume flow…

Q: Find the acceleration of m2

A: Given; Find acceleration of m2 ? If m1=300 g  m2=500g  F=3.4 NWhere, Friction and mass of the pulley…

Q: Help on question 6

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Q: need help on this problem

A: Net torque on the disk is,

Q: The 20-cm-diameter disk in the figure can rotate on an axle through its center. What is the net…

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Q: Problem 2: Given this network of capacitors: C2 C1 4 uF 1 uF C3 3 uF C4 2 uF C5 2 uF Assuming the…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: iv. In reference frame R, during the interval AI * is the displacement (i.e., change in position) of…

A: (iv) Introduction: Acceleration is the rate of change of the velocity of an object with respect to…

Q: |There is a 30cM long Solenoid witha o3 ľ faxce field initas Center Ito has a 4cM radis and has…

A: The given data are: L=30 cm=0.3 mB=3 Tr=4 cmN=80000 Here, L denotes the length, B denotes the…

Q: Podracing is a very popular auto racing sport in the Star Wars universe. Although it is dangerous,…

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Q: A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20…

A: Given that-Speed in first Journey, s1=50 km/hrTime in first Journey, t1=8 minutes=860 hoursSpeed in…

Q: In this case predict whether there will be current induced through the resistor attached to the…

A: When the magnet moves upward, the amount of magnetic flux that is passing through the loop starts to…

Q: Module G-Assimilate and Apply Apoge Perigee 1. As a spacecraft orbits the earth, it is said to be at…

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Q: An object sitting on the edge of a table. A bullet shot up into the air before it gets to the top. A…

A: Potential energy is defined as the energy possessed by an object by virtue of its position (height…

Q: need help

A: Let us draw the free body diagram of high jumper-…

Q: Zero error is +0.005 cm, What is the correct diameter?

A: Given data,  Least count =0.01 mmIt is used to measure the diameter of a wire.Reading of the sleeve…

Q: A compressor draws in 0.5 kgm/s of air with 7 m/s speed, 100 kPa pressure, and 0.95 m³/kgm. The air…

A: Solution:-

Q: 4. A 3 kg uniform hoop has a radius of 2 m. What is the moment of inertia around an axis at the…

A: If any object is under rotation, moment of inertia is associated with it and denoted by the symbol…

Q: Certain blue lights have a frequencey of 6.9 x 10 Hz. What is the wavelength? O 7.85 m O 43.5 m O…

A: Given that, The frequency of blue light, f=6.9×106 Hz We need to find its wavelength. We know that,…

Q: 5. Use the fact that the half-life of carbon-14 is about 5700 years to rewrite the general equation…

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Q: please provide help for the following problem.

A: Using the lens equation,

Q: 14. A 6.0 V battery is connected to a circuit with a resistance of 2.0 2. a) Find the current. b) If…

A: Potential difference of battery = V = 6.0 Volts  Resistance R = 2.0 ohms (A) From Ohm's law,…

Q: förce strength and direction 4 Calculate the kinetic friction force and direction 5 Find the net…

A: 4)  Kinetic friction force F=μXN F= 0.1 X654.89 F=6.5489 N Direction : as shown in fBD, side of…

Q: Question 16 17

A: Write an expression for time period using Kepler’s third law

Q: What is the final angular speed of

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Q: Please, I need help on this problem. Thank you.

A: a) It is given that

Q: An ipod that is powered by two 2.5 volt batteries and has 5.2 ohms of resistance. Calculate the…

A: Given, Voltage-V= 2*2.5= 5 V Resistance-R= 5.2 ohms

Q: d. Suppose a +4.00 µC charge and a +7.00 µC charge are separated by 3.00 meters. How far from the…

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Q: P10F A uniform slender rod of 110 cm length and 3.25 kg mass is free to rotate about a frictionless…

A: The mass of the rod: The length of the rod: The angle of the rod with the horizontal:

Q: please work on it better

A: A gas expands from a volume of 1.0L to 3.5L at a constant pressure of 7.5atm.The gas is then cooled…

Q: •• CALC A semicircle of radius a is in the first and second quadrants, with the center of curvature…

A: Refer to the following figure :

Q: 7. A 3 kg uniform rod has a length of 2 m. What is the moment of inertia around an axis at the…

A: Mass of the uniform rod (M)=3 kg Length of the uniform rod (L)=2 m

Q: only need Q5 i dont need table

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Q: YOU MUST WRITE THE EQUATION VOU 2 Ax = vAt + a(At) v= Ax At a= Av At v = v? + 2aAx A dolphin can…

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