The engine in an imaginary sports car can provide constant power to the wheels over a range of speeds from 0 to 70 miles per hour (mph). At full power, the car can accelerate from zero to 30.0 mph in time 1.30 s .     Part A At full power, how long would it take for the car to accelerate from 0 to 60.0 mph ? Neglect friction and air resistance. Express your answer in seconds.

Q: Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 95.0 kg, down a 56.0º…

A: Given data: The total mass is m=95 kg. The inclination of slope is θ=56°. The coefficient of…

Q: A 1400 kg car, starting from rest, accelerates to a speed of 30 mph in 10 s. (a) What is the force…

A: Car will experience a deceleration (a) due to friction from ground.

Q: A 115-kg object is initially moving in a straight line with a speed of 50.0 m/s. a.) If it is…

A:

Q: (a) With what minimum speed must you toss a 100 g ball straight up to just barely hit the 100-m-high…

A: Given information: Here, m is the ball’s mass, H is the ceiling’s height and h is the height above…

Q: A puck of mass 0.110 kg slides across ice in the positive x-direction with a kinetic friction…

A: Since you have asked question with multiple sub-parts in a single request, we would be answering…

Q: A tow truck pulls a car 5.00 km along a horizontal roadway using a cable having a tension of 850 N.…

A: Tension T = 850 N Displacement X = 5.00 km = 5000 m  We need to determine the work done.

Q: A 1500 kg car starts from rest on a horizontal road and gains a speed of 72 km/h in 30 s. (a) What…

A:

Q: A 750 kg roller coaster car is pulled to the top of a hill 45 m high and arrives at the top with…

A:

Q: A 68 kg bicyclist rides his 8.5 kg bicycle with a speed of 14.7 m/s. (a) How much work must be done…

A: a) The total mass of the system is M=m+m'=68.5kg+8.5kg=76.5kg Using work-kinetic energy theorem, the…

Q: If you drop a 13.0kg ball from a height of 30m (neglect friction). a. How many Joules of Potential…

A:

Q: By landing properly and on soft ground, humans have survived from airplanes when their parachute…

A: SOlution:

Q: (a) If 30 hp are required to drive a 1200 kg automobile at 50 km/hr on a level road, what is the…

A: Given: The power required is 30 hp. The mass is 1200 kg. The speed is 50 km/h.

Q: 1. (a) How much work is done by the horizontal force shown in the figure on the block when the force…

A: Fp= 150 N  S= 5m  M=18kg  Angle is 32°

Q: A student drops a water balloon out of a dorm window 26 m above the ground. What is its speed when…

A: As per guidelines I am answering only First question. For answers of remaining questions please post…

Q: A car is traveling at 10 m/s.a. How fast would the car need to go to double its kinetic energy?b. By…

A:

Q: A young girl (m = 30 kg) rides a skateboard (m = 3.2 kg) at a speed of 4.2 m/s. (a) How much work…

A: Given Mass of young girl = m = 30 kg Mass of skateboard = 3.2 kg speed of young girl on skateboard =…

Q: a. How much work does an elevator motor do to lift a 1000 kg elevator a height of 100 m at a…

A:

Q: A 50 kg bicyclist on a 10 kg bicycle speeds up from 5.0 m/s to 10 m/s.           (a)  What was the…

A:

Q: An 80.0 kg skydiver jumps out of a balloon at an altitude of 1.00 x 10^3 m and opens the parachute…

A:

Q: (a) What is the kinetic energy of a 65.0 kg sprinter running at 2.30 m/s? (b) How fast must a 3000.0…

A:

Q: A ski jumper starts from rest 47.5 m above the ground on a frictionless track and flies off the…

A: Let the initial and final velocity of the ski jumper are v1 and v2. Let the mass of the ski jumper…

Q: A slingshot will shoot a 10-g pebble 22.0 m straight up. (a) How much potential energy is stored in…

A:

Q: An 80.0-kg skydiver jumps out of a balloon at an altitude of 1 000 m and opens the parachute at an…

A: Since you have uploaded a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 20 N is needed to slide a box across a room to the right at a constant speed: a) How many Newtons…

A: Let us consider the forces come into picture in the above case,                                 i.…

Q: A block of mass 2.28 kg starts sliding from rest down an incline plane for 25 cm. If the block has a…

A:

Q: (b) A block of 10 Kg is pushed by a student on a frictionless surface in the "x" direction. The…

A:

Q: level road is 30 kW. (a) How much resistance must the car overcome at this speed? (b) How much power…

A: Answer

Q: e A certain car can accelerate from rest to thespeed v in T seconds. If the power output of the car…

A: Write the formula for the power in terms of force and velocity. Since the power is constant.…

Q: A ski jumper starts from rest 52.5 m above the ground on a frictionless track and flies off the…

A: Given: A ski jumper starts from rest 52.5 m above the ground on a friction less track and flies off…

Q: A particle moves along an x axis. Does the kinetic energy of the particle increase, decrease or…

A: The kinetic energy of body                                     K=1/2 mv2…

Q: A 1.60-m-tall person lifts a 1.65-kg book off the ground so it is 2.20 m above the ground. What is…

A: Answer;-  Given  Mass of the book (m) = 1.65 kg  Height up to which book is lifted      (h)=2.20m…

Q: Carlo pushes a 35-kg box on a floor level and displaces it 5 m from its initial position. a. If the…

A:

Q: The pitcher throws the 0.145 kg baseball towards the catcher at 42 m/s. (a) How much kinetic energy…

A: Given: The mass (m) of the baseball is 0.145 Kg. The speed (v) of the baseball is 42 m/s.…

Q: (a) What is the cheetah's maximum kinetic energy? (b) Find the cheetah's speed when its kinetic…

A:

Q: A 1000 kg elephant is to be lifted 10m above the ground. a. How much workis required to slide the…

A:

Q: (a) What is the power output in watts and horsepower of a 70.0-kg sprinter who accelerates from rest…

A:

Q: a) What is the kinetic energy of an automobile with a mass of 1299 kg traveling at a speed of 11…

A: The kinetic energy of an object moving with some velocity is given by the relation KE = 12mv2…

Q: The speed of a crate traveling on a horizontal frictional surface changes from vi=13 m/s to vf=11.5…

A:

Q: A crate is pushed up a frictionless inclined plane with initial speed of 4 m/s. The angle of incline…

A: The initial speed =4m/s The angle of inclined =30 degrees

Q: A tow truck pulls a car 5.00 km along a horizontal roadway 6.2 using a cable having a tension of 850…

A: Given data: Displacement, d= 5 km = 5000 m  Tension, T = 850 N  Angle θ=35.0°

Q: a) What is the power output in watts and horsepower of a 73.0 kg sprinter who accelerates from rest…

A: It is given that, m=73 kgu=0v=10.1 m/st=3.50 s

Q: (a) How long (in s) will it take an 855 kg car with a useful power output of 36.0 hp (1 hp = 746 W)…

A: mass of car (m) = 855 kg power (P) = 36 hp final speed (v) = 13 m/s Initial speed (u) = 0 m/s

Q: You push your physics book 2.10 m along a horizontal tabletop with a horizontal push of 2.10 N while…

A: