amaljiiju5022
21.08.2020 •
Physics
Please help me these questions a. A bus slams on its brakes and goes from 30 km/hr to 15 km/hr in 4 seconds. What is its acceleration? b. If a car with an initial speed of 10 m/s, accelerates at a rate of 50 m/s2 for 3 seconds. What will be the final speed be? c. A force of 100 newtons accelerates a mass of 5 kg for 10 seconds. If the mass is initially at rest, calculate the final velocity. d. A 5 kg block is pulled across a table by a horizontal force of 40 N with a frictional force of 8 N opposing the motion. Calculate the acceleration of the object.
Solved
Show answers
More tips
- A Art and Culture The History and Characteristics of Jazz Bands: A Deep Dive...
- F Food and Cooking From Latte to Espresso: Which Coffee Drink is the Most Popular on Earth?...
- C Computers and Internet How to Set Up Internet on iPhone? Detailed Guide with Step-by-Step Instructions...
- P Philosophy 8 привычек, чтобы достичь счастливой жизни...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- G Goods and services How to Choose the Right Iron: Purchase Tips...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- H Health and Medicine How to Choose the Right Glasses?...
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine AKDS Vaccination: Ensure Your Child s Safety...
Answers on questions: Physics
- P Physics List two objects here on Earth that are sources of radiant energy. How can you tell they emit radiant energy?...
- P Physics A 20 N model rocket launched vertically is clocked at 25 m/s when it is 15 m above the ground (and has expended a negligible amount of fuel). Use the work–energy...
- P Physics A 32 N weight and an 18 N weight hang from the ends of a string placed over a pulley. The 32 N weight is initially lifted up so that when the system is released...
- P Physics A 49 N coconut is in a 15 m tree. What is te potential energy of the coconut? 735 J 7203J 73.8 J...
- M Mathematics The average rate of change for an exponential function grows by equal [blank1] per unit interval....
- M Mathematics 1.08 Template Honors Assignment Part A 1. Choose an object from your environment from which you will make a model. The object you choose must be a composite figure,...
- E English (1) Define figurative language in your own words. (2) What are some common types of figurative language you are familar with? (3) A great example of figurative language...
- M Mathematics X Find the missing side or angle in each problem. Show your work (a) (b) T 9cm 40m 91mm 114 ΌI 4.8cm 87mm...
- M Mathematics Rearrange the equation to make g the subject.SHOW ALL WORKING OUT!f+4(g-h)=x...
- M Mathematics Lashonda paid for a - bag of dog food. A few weeks later, she paid for a - bag at a different store. Find the unit price for each bag. Then state which bag is the...
Ответ: