Two cars leave from the same position at the same time. One travels due North at 30 mph, while the other travels due East at 40 mph. At what rate is the distance between the cars changing after 1 hour?

Q: A 10.0-kg box starts at rest and slides 3.5 m down a ramp inclined at an angle of 10° with the…

A: Given that,Mass of box : m = 10 (kg)Angle of inclination : θ = 10°Distance : L = 3.5 (m)Here we need…

Q: Calculate the power output needed for a 950-kg car to climb a 2.00° slope at a constant 30.0 m/s…

A: Solution:-Given thatmass of car (m)=950 kgslope (θ)=2°constant speed (V)=30 m/sWind resistance…

Q: What is the net electric force on the +2mC charge? +lmc +1mC +2mC 1m 1m

A:

Q: A flashlight is powered by 3-V battery and uses a bulb with a resistance of 60 Q. What will be the…

A: Given that,Voltage : V = 3 (V)Resistance : R = 60 (Ohm)Here we need to find the current :Now,As we…

Q: What is the maximum kinetic energy of photoelectrons ejected from sodium by the incident radiation…

A: Given that-Wavelength of incident radiation is 120 nmWe know that-Frequency, f=cλ      .... Equation…

Q: 1. A 250-g piece of gold is at 19 °C, 5192 J of energy is added to it by heat. The specific heat of…

A: Given that,Mass : m = 250 (g)Temperature : T1 = 19°CHeat of gold : s = 129 (J/Kg°C)Energy : Q = 5192…

Q: A proton moving at 4.00 x 106 m/s through a magnetic field of magnitude 1.70 T experiences a…

A: The magnitude of force experienced by a moving charge in a magnetic field is given by…

Q: A mixture of small sugar molecules and larger starch molecules are in a solution at fixed…

A: Since, The starch Molecules are 10 times the mass of the sugar molecules.

Q: A wire of resistance 5.0 ohm is connected to a battery whose emf is 2.0 V and whose internal…

A:

Q: A drum with a 500-mm radius is attached to a disk with a radius of 250 mm. The disk and drum have a…

A:

Q: How much energy is lost to a dissipative drag force if a 60-kg person falls at a constant speed for…

A: Given that,Mass of person : m=60kgDistance : h = 15 mHere we need to find:Energy lost Now,As we know…

Q: 7. A concave mirror has a focal length of 12 cm. An object is placed 6 cm in front of the mirror.…

A: All the distances in front of the mirror is taken as negative and distances behind the mirror as…

Q: 45° 45 45 45 Move the lower right-angle symbol to the other side of the normal. Have the incident…

A:

Q: A 20-kg board serves as seesaw for two children. One child has a mass of 30-kg and sits 2.5 m from…

A: Given data:  Mass of board, m=20 kg Mass of child sitting at a distance, x1=2.5 m from the pivot…

Q: 6. Two charged spheres are 5.00 cm apart. One sphere has a charge of 2.50 x 10*c and the other…

A:

Q: What are the knowledge gaps, future challenges to risk assessment and experimental evaluation of…

A: The current knowlegde gap in the field of nanotechnology involves the fate of prepared nanomaterials…

Q: charge is negative, the direction of the electric force on it is

A: F=qE

Q: A 48.8 kg archer, standing on frictionless ice, shoots a 116 g arrow at a speed of 96.88 m/s. What…

A: Given that,Mass of archer : m1 = 48.8 (kg)Mass of arrow :m2 = 116(g) = 0.116 (kg)Velocity of arrow :…

Q: 4. The velocity-time graph of a bus and a lorry is shown in Diagram 1. Graf halaju-masa bagi sebuah…

A: Given:

Q: quipotential lines in a -Vo -2V -3V (a) from A to B WAB 57.4e-6 = (b) from A to C WAC=0 (c) from A…

A: Given: Charge q = 4.1 (10-7 )C Potential v0 =140 v

Q: A force of 640 newtons stretches a spring 4 meters. A mass of 40 kilograms is attached to the end of…

A:

Q: Molecules can rapidly diffuse across living cells. If the width of cells is increased by a factor of…

A: This question can easily be solved by applying the

Q: A coil with a magnetic moment of 1.50 A . m² is oriented initially with its magnetic moment…

A: Solution:-Given thatMagnetic moment (μ)=1.5 A.m2Magnetic field (B)=0.82 TInitially, magnetic moment…

Q: What is the magnitude and direction of the force exerted on a 3.50 /µC charge by a 250 N/C electric…

A: Note - as per Bartleby policy i can answer only one question kindly post separate question  Given…

Q: The current in a simple single resistor circuit is /1 = 5.25 A. A second resistor, with resistance…

A:

Q: Plz do.it Correctly

A:

Q: A 0.88 kg ball travelling at 7.60 m/s collides head-on with a 1.65 kg ball moving in the opposite…

A: Given that,The mass of first ball : m1 = 0.88 (kg)The mass of second ball : m2 = 1.65 (kg)The…

Q: Figure 3.37 shows three resistors are Figure 3.37 shows three resistors connected in parallel. are 6…

A:

Q: Pls help on this question.

A: Here given that the 500 particles approximate displacement.It is measured within 30 sec. We have to…

Q: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of…

A: Let us find how much work is done on the mouse by air resistance, when it falls down from 100m and…

Q: A rock on the moon has a mass of 8 g and a volume of 3 cm°. It is transported to the earth where the…

A:

Q: Do it asap plz

A: We can say that,The pressure of the gas on the wall is the ratio of the force to the area of the…

Q: (2,0,0), X* FIGURE 9 (0, 0, 6) (0,3,0) In the Figure 9 on Page 386, the y-intercept point…

A:

Q: À mixture of large proteins and much smaller peptides are mixed in a solution held at a temperature…

A: To determine: Which of the following statements is true, when a mixture of large protiens and much…

Q: A car is 126 m from a stop sign and traveling toward the sign at 29 m/s. At this time, the driver…

A: We will use the kinematic equations of motion d=utu=initial velocity and  v2-u2=2ad v=final velocity…

Q: A solid uniform sphere of mass 81 kg and radius 21cm starts from rest and rolls without slipping…

A:

Q: Figure 20.47 shows how a bleeder resistor (R = 250 k) is used to discharge a capacitor (C = 90.0 µF)…

A: Bleeder resistor: A bleeder resistor which is  connected in parallel with the output of a…