11th grade honors physics, i just need an educated guess, preferably right though, please <3 A man is pulling a small 30 kg child in a wagon. He applies a 20N force at an angle of 25 degrees to the horizontal. The child's dog starts tugging on the child's coat in the opposite direction, such that the child does not accelerate. What is the magnitude of force the dog is exerting? *
Answers: 3
Physics, 22.06.2019 05:00
Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?
Answers: 1
Physics, 22.06.2019 05:10
What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics
Answers: 2
Physics, 22.06.2019 13:30
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
Answers: 3
11th grade honors physics, i just need an educated guess, preferably right though, please <3
A m...
Business, 20.10.2020 22:01
Mathematics, 20.10.2020 22:01
Mathematics, 20.10.2020 22:01
History, 20.10.2020 22:01
Mathematics, 20.10.2020 22:01
Mathematics, 20.10.2020 22:01
Chemistry, 20.10.2020 22:01
Mathematics, 20.10.2020 22:01
Computers and Technology, 20.10.2020 22:01
Mathematics, 20.10.2020 22:01
Mathematics, 20.10.2020 22:01
English, 20.10.2020 22:01