A 2.25 kg object is attached to a horizontal massless spring on a frictionless table. What should the spring constant be so that the maximum acceleration of the object will be 9.8 m/s? when it oscillates with an amplitude of 4.50 cm? O 490 N/m O 130 N/m O 570 N/m O 235 N/m

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: An object of mass 200 g moving at a constant speed of 2 m/s has a net force closest to

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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: 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: 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…

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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: How large a net force is required to accelerate a 1,703-kg SUV from rest to a speed of 12.9 m/s in a…

A: Net Force required....Fnet= 624.149 Newtons

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

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: xplains the physical reasons why the speed of a vehicle must be moderate and commensurate with the…

A: The speed of a vehicle must be moderate and commensurate with the weather and road conditions for…

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”