Homework 4, Newton's laws 23-24-problems

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Need help with STEP 5. I'm not sure why I got the answer wrong (marked in red X).

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Automobiles are equipped with airbags. Explain the mechanisms behind the airbags, why they can prevent death during car accidents.

LI Labflow - Course: UNE X A 5E Card Sort NVTC 101.1001 Step WA 180 Assignment 4 - PI x b Search results for 101 Chem101 + A webassign.net/web/Student/Assignment-Responses/submit?dep=28628321&tags=autosave#question4213231_9 Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m, and the table is 0.430. The objects have masses of m, = 4.25 kg, m, = 1.20 kg, and m, = 2.40 kg, and the pulleys are frictionless. m2 (a) Draw free-body diagrams for each of the objects. Choose File No file chosen This answer has not been graded yet. (b) Determine the acceleration of each object, including its direction. m, magnitude 1.67 m/s? m, direction down m2 magnitude 1.67 m/s2 m2 direction left m3 magnitude 1.67 m/s2 m3 direction up (c) Determine the tensions in the two cords. left cord 34.55 1:19 PM O Type here to search 45°F 2/16/2022

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A planet has 1/9 the earth's mass and half its radius. It orbits a star with six times the sun's mass with an orbital period of 48 years. Suppose aliens from this planet crash their spaceship in New Mexico. If the spaceship weighs 1200 Zorgs on their planet, then what is the weight in New Mexico, in Zorgs? I got 533.3 Zorgs but it was incorrect.

This is an F=ma questions.  Remember that force and acceleration are vectors.  (That's what the boldface font means.) 1) A 14kg object accelerates at (2,4) m/s2.  Calculate the magnitude of the force on the object, in Newtons. 2) Calculate the mass if F = (200, 300) N and a = (0.9, 0.3) m/s2.  Enter 0 if there exists no answer.

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Answer the following questions True or False. Show your Complete Explanations. This is all about General Physics 1 Vectors.

You've already resp.. Tylon Clark-Algebr. Copy of Tylon Clark.. M escribing ons Help Last edit was 3 minutes ago rial 12 BIUA 三 三 1 3 5 |II 6 I 1. Students will show works for this problem to receive credits: A 25 kg wood box is sliding across a wood surface, experiencing a coefficient (u) of kinetic friction of 0.20. The box is experiencing an applied force of +63 Newtons. What is the force of friction acting on the box? (Ff=u x Fn), (Fn=-Fg), (Fg%3Dmass x-9.81). P = m x v p= momentum m=mass V= velocity Directly proportional vs Inversely Proportional: When two variables are on different sides of the equal sign ( the equation), -if they are both on top of the fraction or both on the bottom of the fraction- directly proportional (Fc and m)( Fc and Vt) -if one is on the top of the fraction, one is on the bottom - inversely proportional (Fc and r) When two variahles are on the same sides of the egual sign III

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z points Your partner wants to test your Physics skills by playing a treasure hunt that will lead you to your anniversary gift from them. They left this sole clue that would lead you to the surprise: N ^ "Where there is ruin, there is hope for a treasure." I know you've been wanting to practice your Physics so I chose something that might help you. Use these clues to find your gift. Grab your phone and open your compass. Go to the park entrance and face the north direction. Then, walk straight ahead towards the first bench you see, about 73 meters from the entrance. Face east then turn as you count about 34° degrees towards the north direction and you'll see a tree with a birdhouse near the bank of the river, just about 352 meters from the bench. Go there. As you turn to your left, walk along the side of the river until you reach the gazebo, about 838 meters. Not to scale- Rumi. Curious about the length you covered while all dressed nicely and formal versus the shorter length is should…

Hi please answer the following question, the answer in the problem is wrong and this answer is wrong too6.25*10^-16 N please make sure to give the right answer. THank you.

QUESTION 2 At a location where gravity acceleration constant g=9.80 m/s2, a projectile returns to its original height after 5.9 seconds, during which time it travels 74.1 meters horizontally. If air resistance can be neglected, what was the projectile's initial speed: vo = (Note: For fill in blank, I have set the unit for the answer. So, you just need to provide a number - Please write your numerical answer with all digits and do not use scientific notation. If you are not sure about the number of significant figures, you can keep the number of figures as many as possible - You will not be punished for doing this. ) m/s ? QUESTION 3 An airplane needs to reach a forward velocity of 203.0 km/h (Please pay attention to the unit km/h here - km = 1000 m, h = hour) to take off. On a 2000-m runway, what is the minimur uniform acceleration necessary for the plane to take flight if it starts from rest? OA 0.95 m/s2 O B. 0.87 m/s2 OC 1.0 m/s2 Click Save and Submit to save and submit. Click Save…

Help. I am unsure what I am doing wrong.

I am struggling to find where the arrows points go and can you help me figure out where they go and give me a explanation.

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For a sports car with a front area of 30 ft, a sedan (large car) with a front area of 45 ft?, and a semitrailer with a front area of 75 ft2, calculate: a. The time it will take for each to accelerate from 40mph to 60mph b. The distance it will travel during that time c. The drag force it will experience when it has reached full speed

Pluto eats 1.26 pounds of dry dog food per day. The dry food is available in 1.5 lb sacks, priced $2.33/kg. How much it cost to feed Pluto for a year? (Consider that 1.0 kg = 2.2 lb) Select one: a. $487.08 b. $324.71 Cc. $487.71 C. d. $528.12



For the following questions, start your analyses by considering at least Newton's Law of Gravitation, centripetal acceleration, Kepler's law or Energy Conservation. Take the Gravitational constant to be a. From Earth we can measure the radius of Mars using our telescopes. An estimate for it is 3.39 x 106 m. By sending an exploratory robot to Mars, we determined the acceleration due to gravity on its surface as 3.73 m/s?. Estimate the mass of Mars. b. The Earth revolves around the Sun once a year at a distance of 1.50 x 1011 m. Estimate the mass of the Sun. c. A rocket is launched straight up from Earth's surface at 2100 m/s. By ignoring air resistance, determine the maximum height it reaches?

A 800 lb space probe is launched from Earth, headed for deep space.   a) List the correct equation and solve for mass given that the acceleration of gravity is 32.2 ft/s2       b) At a distance of 15,000 miles from the Earth's center, the space probe releases a payload that reduces the mass of the space probe by 1/4th (i.e., space probe is now 25% lighter in mass). By how much did the gravitational force go up or down after the payload has been released? Start with the equations from the text or class notes and solve.