Light from a laser (X = 500 nm) illuminates two slits spaced 0.40 mm apart. A viewing screen is 2.0 m behind the slits. A bright fringe is observed at a point 5 mm from the centre of the screen. What is the fringe number m? %3D

Q: force

A: Given: Mass is m=20 kg Acceleration is a=30 m/s2 Note: 1 N=1 kg·m/s2 Find: Force required to…

Q: A 10 kilogram toy car is pushed by horizontal force of 25 newtons . The car 5 meters because of this…

A: Given ,         mass of the car (m)= 10 kg         horizontal force (F)= 25 N         car moved the…

Q: What force is required to give a mass of 10 kg an acceleration of 50 m/s2

A:

Q: Q2. In Figure Q2, the 55 kg crate is at rest and the spring is initially unstretched. Knowing the…

A: Given Mass of the crate, m=55kg Spring constant, k=2kN/m Kinetic friction between the plane and the…

Q: 46. Neglecting air resistance and taking g as 10 m s², the height fallen by a fruit from rest to a…

A: Recall Vf2=Vi2+2ghWhere h is required heightVf=10m/s Vi=0

Q: The heaviest invertebrate is the giant squid, which is estimated to have a weight of about 0.18 tons…

A: The weight of squid is 0.18 ton, one ton is equal to 907.185kg.Thus the weight of the squid in kg…

Q: a 2000-kg car initially at rest is held by a friction force that can resist up to 1200 N. If the…

A:

Q: What force (in Newtons) is needed to give a 4700.0 kg truck an acceleration of 7.2 m/s2 over a level…

A: Given Data: The mass of the truck is, m = 4700 kg. The acceleration is, a = 7.2 m/s2. According to…

Q: The net force on a 10 kg object is 40 N.  If it is initially moving at 18 m/s, how long will it take…

A:

Q: 13 Which of these statements about Galileo is not true? He built a telescope which he used to…

A: Solution: Galileo made a telescope from the newly made spyglass at that time. He used his telescope…

Q: 4. Why do astronauts in orbit seem to float?

A:

Q: What force would be needed to produce an acceleration of 2 m/s² in a ball of mass 4 kg ?

A: Acceleration (a) = 2m/s2 mass (m) = 4 kg Force required (f) = ?

Q: The force of gravity between two objects is 50 N. Mass 1 decreases by a factor of 1/5. The new force…

A:

Q: What constant force is required to accelerate a 1000 kg car from rest to 40 m/s over a distance of…

A:

Q: If a baseball (m=.450 kg) is hit with a force of 1700 N, what is the baseball's acceleration  in…

A: Write the expression for Newton’s second law

Q: Suppose a baby weighs 4.6 kg at birth and 11.46 kg on his first birthday. How much weight did the…

A: Mass at the time of birth = 4.6 kgAfter 1 year = 11.46 kgWeight gain = ?

Q: 3,150-kg truck accelerates from 4.2 m/s to 7.8 m/s in 14 s. Which describes the average force needed…

A: here,v2=7.8msv1=4.2 mst=14 smass,m=3150 kg

Q: State the four basic forces.

A: Four basic Forces are- Gravitational force Electromagnetic force Weak nuclear force Strong nuclear…

Q: You find your mass to be 42 kg on a weighing machine. Is your mass more or less than 42 kg?

A: A weighing machine measures the weight of a body and is calibrated to show mass. When we stand on a…

Q: What states that "every object in the universe attracts every other object"? a. Universal Law of…

A:

Q: A 2000-kg car traveling at 21 m/s takes 51 m to stop under full braking.  The same car under similar…

A:

Q: A block is pushed so it speeds up. How does the Force of the Hand on the Block and the Force of the…

A:

Q: A car of 1000 kg is travelling at a speed of 36 km/h. The driver suddenly brakes and the car finally…

A: Given data:  Mass (m) = 1000 kg Initial velocity (u) = 36 km/h Final velocity (v) = 0 Distance (d) =…

Q: The mileage for a motorcycle with a fuel-tank capacity of 18 L is 32 mi/gal. If the average speed…

A: volume of fuel = 18 L mileage = 32 migalaverage speed during the trip = 36 mihr

Q: The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2 is

A: Given Data : The mass of the body is given as m = 100 Kg. The acceleration of the body is given as…

Q: When more than one force acts on an object, the forces combine to form a?

A: The below diagram represents more than one force acting on an object. In the first diagram, two…

Q: If a baseball (m=.450 kg) is hit with a force of 1700 N, what is the baseball's acceleration  in…

A: Given: mass of baseball, m = 0.450 kg Force with which it is hit, F = 1700 N

Q: What force would be needed to produce a ball of mass 12 kg ? an acceleration of 6 m/s² in

A: Given data as per question mass =  12kg acceleration = 6m/s2

Q: A pulley is used to: change the direction of the tension force reduce the tension force change the…

A:

Q: Your father pushed a 2kg box across the floor with a net horizontal force of 10 N. What is the…

A: Given data:  Mass (m) = 2 kg Net horizontal force (Fnet) = 10 N Required: Acceleration (a)

Q: If it takes a human cannonball 1.8 s to exit a 1.9 m long cannon and the average net force acting on…

A: Given data -Net Force acting on the human is ( F ) = 159 N distance covered by the human canonball (…

Q: It has been found that a 1500 kg car can stop in 32 m from a speed of 20 m/s. How much force do the…

A: The car's motion is, m=1500 kg The initial speed of the car is, u=20 m/s The distance traveled by…

Q: car accelerates

A: 6000 N

Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: Write a brief note on relative-motion analysis using rotating axis.

A: Relative motion using rotating axes can be considered when an observer rotates relative to a…

Q: A 790 kg car accelerates from 17.3 m/s to 24.8 m/s in 3.6 s. What force was applied to the car?

A: Mass of the car=790kg Initial Velocity o the car, v1=17.3 m/s Final velocity of the car, v2=24.8 m/s…

Q: What problems are there with the statement “A force is a push that acts through a touch”?

A: Given statement “A force is a push that acts through a touch”