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- A car starts from rest and foes down a slope with constant acceleration of 5m/s2. After 5s, the car reaches the bottom of the hill. What is the car's speed at the bottom of the hill (in meters per second)? O 160 O 50 О 12.5 O 25 O 1My pug/bulldog mix, Georgia, who is blind and deaf, gets a whiff of her dinner. As soon as it registers to her that it's dinnertime, she runs 4.12 meters from the middle of our living room to our kitchen, where she is satiated with her grub. If it takes her 4.45 s to get to the kitchen, what was her speed in m/s to the nearest hundredth?here is my problem, I need help: One simple model for a person running the 100 mm dash is to assume the sprinter runs with constant acceleration until reaching top speed, then maintains that speed through the finish line. If a sprinter reaches his top speed of 11.1 m/sm/s in 2.64 ss , what will be his total time? Express your answer in seconds.
- Piolo's car is traveling initially at 20k(m)/(h). What is its final velocity if he accelerates the car to 3.3k(m)/(h^(2)) for 3h ?1. Falls resulting in hip fractures are a major cause of injury and even death to the elderly. Typically, the hip's speed at impact is about 2.0m/s. If this can be reduced to 1.3m/s or less, the hip will usually not fracture. One way to do this is by wearing elastic hip pads. (a) If a typical pad is 5.0 cm thick and compresses by 2.0 cm during the impact of a fall, what constant acceleration (in m/s²) does the hip undergo to reduce its speed from 2.0 m s to 1.3m/s (b) The acceleration you found in part (a) may seem rather large, but to assess its effects on the hip fully, calculate how long it lasts. Note: convert cm to m first.An object is dropped at rest from the roof of a building of height h. Neglect air resistance. In the last t = 0.30 seconds the object falls a distance of h/5. What is the height of the building h in meters?
- 3. A student throws a water balloon vertically downward from the top of a building. The balloonleaves the thrower’s hand with a speed of 6.00 m/s. Ignoring air resistance, the water balloon isin freefall after it leaves the thrower’s hand.(a) What is its speed after falling for 2.00 s? (b) How far does it fall in 2.00 s?At t=0, a particle starts with an initial velocity of 10 i m/s and accelerates uniformly at (-2.0 i +4.0 J) m/s^2. What is the speed of particle at t=5s? 1- 32m/s 2- 30 m/s 3- 28 m/s 4- 20 m/s 5- 10 m/sI threw a rock into a quarry horizontally 30 m/s. The quarry was 80 meters deep and thrown horrizontally. After 3 seconds the speed of the rock is ____ m/s.
- A car is traveling on a straight, level road under wintry conditions. Seeing a patch of ice ahead of her, the driver of the car slams on her brakes and skids on dry pavement for 70 m, decelerating at 6.0 m/s2. Then she hits the icy patch and skids again. The car takes a duration of 85.0 s to come to rest during the second skid. If her initial speed was 50 m/s, what was the magnitude of the deceleration on the ice during the second skid. 1. Which of the following kinematic equations would you use to determine the velocity of the car after skidding on the dry pavement for 70 m? 2. Determine the velocity of the car after skidding on the dry pavement for 70 m. 3. Which of the following kinematic equations would you use to determine the deceleration of the car after skidding to a stop on the icy patch? 4. Determine the magnitude of the deceleration of the car after skidding to a stop on the icy patch.Hi there! I am not exactly sure how this website works, however, here is a question I could use some guidane with. Rosana takes her puppy for a walk, but they can't stray too far from home or the puppy gets nervous! They walk 342 m south, then 579 m north, all in a time of 12.3 minutes. What is their speed? Thanks!A car is traveling on a straight, level road under wintry conditions. Seeing a patch of ice ahead of her, the driver of the car slams on her brakes and skids on dry pavement for 70 m, decelerating at 6.0 m/s2. Then she hits the icy patch and skids again. The car takes a duration of 85.0 s to come to rest during the second skid. If her initial speed was 50 m/s, what was the magnitude of the deceleration on the ice during the second skid.