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Yarielis
Questions (12)
Hi! I am taking the Unit 8 Lesson 10 chem test now and I have a C in this class so I need to get all the answers correct... If
7 answers
2,734 views
A box of mass 5.0 kg starting from rest slides down a 1.8 m long ramp inclined at an angle of 22.0 deg. from the horizontal. If
1 answer
1,744 views
A 115.0 kg box is pushed by a horizontal force F at constant speed up a frictionless ramp which makes an angle of 46.0 deg with
3 answers
1,181 views
The southwest corner of a football field is selected as the origin of a rectangular coordinate system. A football is placed on
0 answers
674 views
A stone is dropped from the top of a 83.0 m tall building. How far above the ground is the stone 1.60 seconds before it reaches
1 answer
578 views
A bronze cannon ball with a mass of 4.5 kg is fired vertically from a small cannon and reaches a height of 10.0 m. If the canon
1 answer
655 views
Three forces, F1 = 9.2 N, F2 = 7.8 N and F3 = 8.3 N are acting on a small box of mass 47.0 kg. If the box is moving in the
3 answers
476 views
A block of weight 4.8 N is at rest on a horizontal table. An upward vertical force of 0.6 N is applied to the block by means of
1 answer
619 views
Consider the initial value problem
y'' +5y'+6y=0, y(0)=4.87 and y'(0)=Beta where Beta>0 Determine the coordinates t_m and y_m of
1 answer
509 views
A cannon ball is fired from ground level with a speed of 86.0 m/s at an angle of 32 deg. above the horizontal. A 8.5 m tall wall
1 answer
805 views
You are at standing at a window in the University tower that is 42.0 meter above the ground. Your physics professor (who is 2.12
1 answer
597 views
To save fuel, some truck drivers try to maintain a constant speed when possible. A truck traveling at 110.0 km/hr approaches a
1 answer
1,864 views
Answers (6)
Ok, I got my feedback back For 16 I put: Because the alpha particle was emitted than the equation/reaction is balanced. I know this because the nuclear reaction requires a breakdown of any element and also the release of particles that are radioactive. In
My teachers are busy with state testing happening, so I haven't gotten my feedback on those essays sorry...
Actually I took the test and you are correct! Tysm 💙💙 1. the total number of protons 2. the number of protons in the atom changes 3. the spontaneous emission of radiation 4. mashing two marshmallows together 5. There must be a way for unstable nuclei
I haven't done mine yet, since yours hasn't been graded yet when it is can you please tell me... It would be greatly appreciated... I just really need to pass this 😅
1b
I don't Understand your answer
