Two objects are dropped simultaneously from a building with a height of 15 meters. The objects weigh 3kg and 1.5kg respectively. Ignoring air resistance, which of the two balls hits the surface of Earth first?

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A: Given mass of projectile m = 2 kg initial velocity v = 75 m/s angle θ = 45 we have to find out the…

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Q: A 17.5 KN automobile is traveling down the 10° inclined road at a speed of 6 m/s determine how far…

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Q: 42. A car of mass 1000kg travelling along a straight path accelerates uniformly from 15m/s to 25m/s…

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Q: How high does a rocket go if 8.45 km/skm/s ? Ignore air resistance and the Earth's rotation.

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Q: A 0.25 kg ball is dropped from a 30 meter building. At the same time, a 2 kg ball is thrown downward…

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A: The equations of motions can be written as : m2g-T = m2aT-m1g sin θ =m1a Here m1  is the larger mass…

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Q: marble rolls off the roof of Physics hall and falls vertically. Just before it reaches the ground,…

A: Given  Initial velocity u = 0  Final velocity v = 15 m /s  Height h = ?

Q: The weight of a typical high school physics student is closest to 1. 1500 N 2. 600 N 3. 120 N 4. 60…

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Q: A rock is thrown off a cliff at an angle of 54° above the horizontal. The cliff is 110 m high. The…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

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A: According to the impulse momentum theorem Ft=mΔv

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Q: When a car’s speed is doubled, its kinetic energy is _______. Required to answer. Single choice.…

A: Given data:  Initial speed  = V New speed Vnew = 2V

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Q: Komi was on vacation and went to scale Mt. Banahaw. Her weight at the base of the mountain is 540 N;…

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Q: A student exerts a force of 48.0 N to compress a spring 5.50 cm. The force constant for the spring…

A: Given data:  Force (F) = 48.0 N Comparison in spring (x) = 5.50 cm Required: Force constant (k) for…

Q: ball of 100 kg is dropped from an upper-story dorm window . Neglecting air resistance , what is the…

A: Write the given values of this problem. m=100 kgy=25 m

Q: A runner with mass 100 kg run at speed 25km/h on a wet road with friction force equal to : * O 245.2…

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Q: A crate of mass m = 12.80 kg is pulled by a massless rope up a 36.9° ramp. The rope passes over an…

A: Work done on an object due to a constant force F that displaces it by a distance d is given by W=Fd…

Q: = 75 N for a distance Ax = 2 m along a (mostly) A hand pushes block A (ma =3 kg) with a constant…

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Q: A car accelerates at a constant rate of 1.83 m/s along a flat straight road. The force acting on the…

A: Given data- Acceleration, a=1.83 m/s² Force, F=1.870 KN Initial velocity, u=0 m/s Time, t=16s

Q: How much force is required to bring a car of mass 1451 kg, initially traveling at 16.7 m/s, to rest…

A: Given  Mass of car  m = 1451 kg  Initial speed of car u = 16.7 m/s  Final speed of car  v = 0 m/s…

Q: How much force is required to keep a 3.kg object moving to the right with a constant speed of 6.0…

A: solution as follow

Q: A 75.0 kg skier slides down a 75.0 m high slope without friction. The velocity of the skier at the…

A: Given values: Mass of the skier, m=75.0 kg Height of the slope, h=75.0 m Acceleration due to…

Q: A car with its brake applied has an acceleration of -1.2m/s^2. if the initial speed is 10m/s, the…

A: Acceleration of the car,  Initial speed of the car,  Time taken,

Q: In each second of fall, the distance a freely falling object will fall is a) About 4.9 m      b)…

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Q: On a windy day, a parachutist of mass 85 kg jumps from an aeroplane. Fig. 3.1 shows the parachutist…

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Q: A car travelling at a horizontal path (starting from rest) encounter a resistance four times its…

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Q: Calculate the force produced during a pushup for the following person: Mass of person = 58.9kg arm…

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A: Given  m1= 1000kg m2= 2000kg Let coefficient of friction is µ

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Q: A 10 kg object is released at the top of a building 100 m high, If the force of air resistance is on…

A: Given  m=mass of object=10Kg h=height=100m Fair=air resistance=30N

Q: An elevator has mass 600 kg, not including passengers. The elevator is designed to ascend, at…

A: The given data are listed below with suitable variables. Here, me denotes the elevator’s mass, h…

Q: Thanks for your help.

A: The initial height is 50m, the angle of inclination is  10 degree, and thrust is 190N. The combined…

Q: Two crates of fruit  are released from the top of a ramp inclined at 30 degrees from the horizontal…

A: Given data Angle, θ=300 Distance traveled along the incline ,s=4.5 m Mass of the apple crate, ma=20…

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Q: A stone is thrown horizontally from the top of a cliff. Ignoring air resistance, the forces acting…

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Q: A 50 kg balikbayan box slides down a very smooth ramp inclined at an angle of 15°. If it starts from…

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Q: Calculate the fall length for a factor 0.2 fall if the rope length is 50 m. 10 m 20 m 15 m 05m

A: Fall factor is the fall length divided by the rope length. So, fall length = fall factor × rope…

Q: Which of the following are always true of an object that is at equilibrium? Include all that apply.…

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Q: A plane has a mass of M = 201 tons takes-off at a speed of Vf = 243 km/hr. If it starts form rest,…

A: Given data The mass is M=201 tons The final speed is Vf=243 km/hr=67.5 m/s The initial speed is Vi=0…

Q: A runner with mass 100 kg run at speed 25km/h on a wet road with friction force equal to 196.2 N O…

A: Given data :- The mass of the runner is m = 100 kg. The speed of the runner on a wet road is v = 25…

Q: A 10.0-kg box is pulled along a horizontal surface by a force of 40.0 N applied at a 30.0° angle…

A: Given Data : The mass of the box is given as m = 10 Kg. The force applied to the box is given as F =…

Q: When a force of F acts on a stationary object for 10 seconds, increases the speed of the object to…

A: Since for force of F acting on a stationary object for t seconds, the the force is given as…

Q: Some salvage divers are raising a rectangular box of treasure measuring1m × 1.3m × 1.9m from the…

A: Analyze the free body diagram of the given system. Here, T, Fb and W represent the tension force in…

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?”