Why did the ball roll when laid on the floor? because the friction present between the surface pushes the atoms/particles in contact with surface or ground backwards, hence with centre of mass moving in a direction, the ball’s bottom surface(ie. The surface in contact) moves in opposite direction or backwards, causing the ball to roll. […]
What is the change in momentum of a 3 kg object accelerating from rest to 12 m s?
Who is the most boring celebrity?
Who is the most boring celebrity? 10 Boring A-List Celebs That Are Undeserving Of Their Title 3 Beyonce. 4 Justin Timberlake. 5 Anne Hathaway. 6 Oprah Winfrey. 7 Jim Carrey. 8 Jennifer Garner. 9 Gwyneth Paltrow. 10 Jennifer Aniston. Jennifer Aniston is most definitely one of the most boring celebrities in Hollywood. Who is the […]
Can I die while giving birth?
Can I die while giving birth? It was estimated that in 2015, a total of 303,000 women died due to causes related to pregnancy or childbirth. The majority of these causes were either severe bleeding, sepsis, eclampsia, labor that had some type of obstruction, and consequences from unsafe abortions. What are the chances of dying […]
What type of reaction is bromine and sodium?
What type of reaction is bromine and sodium? 2Na + Br2. 2NaBr Sodium react with bromine to produce sodium bromide. This reaction takes place at a temperature of 150-250°C. What would happen if you reacted sodium with bromine? Reactions with sodium Hot sodium will also burn in bromine or iodine vapor to produce sodium bromide […]
What is the formula for calculating acceleration?
What is the formula for calculating acceleration? Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Does constant velocity have to be in a straight line? Yes. Velocity […]
What is best treatment for low bone density?
What is best treatment for low bone density? Pharmacologic treatment with alendronate, risedronate, zoledronic acid, or denosumab should be prescribed for women with osteoporosis to reduce the risk of hip and vertebral fractures. Pharmacologic treatment should continue for five years, during which time bone density monitoring should not be done. What happens if you have […]
What are the basic differences and similarities between a generator and an electric motor What are the basic differences and similarities between a generator and an electric motor?
What are the basic differences and similarities between a generator and an electric motor What are the basic differences and similarities between a generator and an electric motor? Both the motor and generator are similar in construction; they consist of a stator and rotor parts. However, in a motor, electrical energy is the input, while […]
What are the rules for swimming?
What are the rules for swimming? swimmer must break the surface. throughout the race. • May be completely submerged. during turn. • Arms in same horizontal. plane; •Elbows can be out at turn. and finish; •Head must break surface by. widest part of 2nd stroke; •One single butterfly/dolphin. each turn at any time prior to. […]
Which of the following is the most usable form of energy for future?
Which of the following is the most usable form of energy for future? Energy Business Review lists the world’s most used energy sources based on the share of each source to global energy consumption in the past five decades according to BP’s estimates. Oil has been historically the world’s most used energy source accounting for […]