4.18 Figure P.4.1 depicts a block of mass m = 300 kg at rest on a frictionless ramp that makes an angle of 0 = 25° with the horizontal. The block is held in place by a horizontal force of magnitude F. What is the magnitude of the force? Ing

Q: A geosynchronous Earth satellite is one that has an orbital period of precisely 1 day. Such orbits a...

A: time period of geosynchronous earth satellite = 1 day mass of earth = 5.98×1024 kg   

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Q: 1/1 m2 The figure shows two blocks of masses m1 (4.0 kg) and m2 (12.0 kg). The horizontal surface al...

A: We can solve this problem by balancing forces on masses m1 and m2 .  

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A: Here, we calculate the given as follow;

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A: Given data:  Wavelength (λ) = 10.0 cm = 0.100 m Frequency (f) = 5.00 Hz Required: Wave speed (v) 

Q: An exoplanet has three times the mass and half the radius of the Earth. Find the acceleration due to...

A: mass of exoplanet = 3 times the mass of earthradius of exoplanet = 12 times the radius of earth   

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Q: A bullet hits a target 2 cm below its aiming point f the gun is 30 m away from the target, what is

A: horizontal distance = R = 30 m vertical distance = y = 2 cm = 0.02 m

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A: Given:mass of the bob, m = 0.233 kgheight of point of suspension from the floor, H = 0.623mlength of...

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Q: 10. A steel bar hangs from a cable as a crane fifts it. What forces act on the bar? a. Gravity b. Gr...

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Q: Please solve min 3-4 parts , if not all The charges q1, q2, q3, and q4 lie at the corner points of ...

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

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Q: 4. Your microwave oven operates at a frequency of 2.450 GHz (1 G=1,000,000,000). How long is the wav...

A: Given data:  Frequency of microwave oven (f) = 2.450 GHz = 2.450x109 Hz Required: Wavelength (λ)

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Q: 1. Given the ff vectors : A = 5 km, East ; B = 8 Km west ; C = 7 km, south ; D = 4 km, north ; E = 9...

A: Given the ff vectors : A = 5 km, East ; B = 8 Km west ; C= 7 km, south ; D = 4 km, north; E = 9 km, ...

Q: To sterilize a 155 g glass water bottle, we must raise its temperature from 62.0ºC to 102ºC. How muc...

A: givenmass of glass water bottle m=155 g=0.155kgTermerature (T1)=62°CTemperature T2=102°C

Q: Suppose a block of mass 25.0kg rests on a horizontal plane, and the coefficient of static friction b...

A: Given in question - Mass of block(M) = 25.0 kg                                  Friction cofficient ...

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Q: A 3 kg cart is connected to a 4 kg cart. Together, they are moving at 1.5 m/s to the left. They sepa...

A: Given Mass of first cart (m1) = 3 KgMass of second cart (m2) = 4 KgInitial velocity of both carts is...

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Q: A 5.991E-3 kg pellet is fired at a speed of 71.29 m/s at a motionless 0.4229 kg piece of wood. When ...

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Q: From other experiments, it is found that the resistance of a thermistor varies according to the equa...

A: Resistance is R1 at T1. Hence R1=R0eBT1 --- (1)   and resistance is R2 at T2. Hence R2=R0eBT2 --- (2...

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Q: Calculate the kinetic energy of a 45 gram golf ball travelling at 40. m/s.

A: Kinetic energy of any object is the energy due to the motion of the object.   It is given by,       ...

Q: Two dogs pull on a 0.15 kg chew toy from opposing directions. One dog pulls with a force of 3.0 N to...

A: Given data:  Mass (m) = 0.15 kg Force (F1) = 3.0 N, towards left Force (F2) = 1.0 N, towards right R...

Q: Two small charged spheres are placed in vacuum on the x-axis: q1 = +5.0 μC at x = 0 and q2 = −8.0μC ...

A: third charge will be to the left of q1  Now, at q3  F1 = F2

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A: Given data:  Radius in first trial = r Speed in first trial = v Radius in second trial (r') = 4r Spe...

Q: The distance to the Pleiades is 136.2 pc. The absolute V magnitude (M,) of Sirius is -0.57. What wou...

A: Answer: Given data, The distance to the Pleiades(d)= 136.2 pc The absolute V magnitude of Sirus (Mv)...

Q: 2. Selae for the tenteon aloos the Strings AB (T,) pBC (T]

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A: Resistance of any wire depends on its length and Cross sectional Area as,                      R = ρ...

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A: Here, it is given that, a  circuit is created with a constant voltage source, a resistor and an amme...

Q: A wheel on a shaft is initially at rest, when a motor starts to supply constant torque. The wheel ha...

A: Rotational inertia I = 20.4 Kg m2 No of revolutions N = 3 full revolutions                          ...

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”