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slipperz L
What is the normal force exerted on the cart by the floor?
A cart loaded with bricks has a total mass
of 21.5 kg and is pulled at constant speed by
a rope. The rope is inclined at 24.5◦ above
the horizontal and the cart moves 22 m on
a horizontal floor. The coefficient of kinetic
friction between ground and cart is 0.3 .
The acceleration of gravity is 9.8 m/s2
.
What is the normal force exerted on the
cart by the floor?
1 AnswerPhysics8 years agoHow much work was done against gravity?
Batman, whose mass is 91.4 kg, is holding on
to the free end of a 10.9 m rope, the other
end of which is fixed to a tree limb above.
He is able to get the rope in motion as only
Batman knows how, eventually getting it to
swing enough that he can reach a ledge when
the rope makes a 57.3◦ angle with the vertical.
The acceleration of gravity is 9.8 m/s2
.
How much work was done against the force
of gravity in this maneuver?
1 AnswerPhysics8 years agoWhat is the magnitude of the second force?
Two forces act on a 33 kg mass to give it
an acceleration of 51 m/s2
in the positive x direction.
If one of the forces acts in the negative y
direction with a magnitude of 240 N, what is
the magnitude of the second force?
1 AnswerPhysics8 years ago
The horizontal surface on which the block of mass 4.8 kg slides is frictionless. The force of 64 N acts on the?
The horizontal surface on which the block of
mass 4.8 kg slides is frictionless. The force of
64 N acts on the block in a horizontal direction
and the force of 128 N acts on the block at an
angle as shown below.
2 AnswersPhysics8 years agoWhat is the tension in the cord as the elevator accelerates?
An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.6s. a passenger in the elevator is holding a 9.7kg bundle at the end of a vertical cord. What is the tension in the cord as the elevator accelerates?
1 AnswerPhysics8 years agoHow many zip drops should I use per gallon of water for my aquarium?
I have a freshwater aquarium with 3 african cichlids.
1 AnswerFish8 years agowhat is Kumon's summer schedule?
what days of the week are they open and what hours?
3 AnswersSpecial Education8 years agoFor the Starbucks birthday reward what size drink can you get?
It says I can get any drink but what size can I get it in? tall, grande, or venti?
Non-Alcoholic Drinks8 years agowhat are the code words for the seventeen march 2013 magazine?
1 AnswerMagazines8 years agoFor Parent Taught Driver's Ed do I need to buy two courses if I am teaching twins?
I need to buy Course 101 to teach my twins but do I need to buy 2 Course 101s?
1 AnswerOther - Cars & Transportation8 years agoHow often does itunes change their 69 cent playlists?
The songs change whenever i check but I still haven't figured out how often they are updated...
1 AnswerRap and Hip-Hop8 years agoCan anyone suggest a good alien name beginning with 'O'?
something like Zarlog, like a name that is obviously for an alien :D Thank You
5 AnswersComics & Animation8 years agoWhat are the four types of landslides?
Can you please identify and distinguish between them? There are only four.
1 AnswerEarth Sciences & Geology10 years agoWhat store can I get NYX Cosmetics from?
I can't buy it online so does anyone know maybe a drugstore that sells NYX products? Thanks!
5 AnswersMakeup1 decade agoHow do you turn whipped cream into whipping cream?
The whipped cream is in an aerosol can. I would also like the ratio for how many cups whipped cream to how many cups whipping cream.
5 AnswersCooking & Recipes1 decade agoDo pet fish get lonely if kept in a tank by them self?
I have a pet fish and he's been the only fish in my 15 gallon tank. He seems to have gone insane. I'm wondering if this is caused by loneliness.
5 AnswersFish1 decade agoHow much does an alternative fuel car cost?
an alternative fuel car including:
hydrogen powered
water powered
or any thing that is not petroleum based
4 AnswersAlternative Fuel Vehicles1 decade agoWhere is hydrogen domestically produced?
i need to know where or when hydrogen is produced for something other than to produce hydrogen. i need to know thee answer quickly
4 AnswersAlternative Fuel Vehicles1 decade agowhat household product can clean a penny?
i know it's vinegar and something else but i don't know what else
4 AnswersChemistry1 decade agoHow do you make carbon dioxide in a bottle to extinguish fires?
you can find an answer in Bill Nye the science Guy's video on chemical reactions
1 AnswerChemistry1 decade ago