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August 20, 2014

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physics
A 1523.7 kg car traveling with a speed of 20.8 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 53.5 m?
September 20, 2013 by paul

physics
With brakes fully applied, a 1370 kg car deccelerates from a speed of 98.0 km/hr. What is the work done by the braking force in bringing the car to a stop?
July 11, 2014 by charles

physics
A car that is initially at rest at the top of a roller-coaster track moves down the track without friction. What must be the maximm initial height from which the car descends so that it will not fly off the 10-m-high circular hill at the bottom?
December 7, 2010 by Shelby

Physics
A tractor of mass 5.0*10^3kg is used to tow a car of mass 2.5*10^3kg.the tractor moved with a speed of 3.0m/s^1 just before the towing rope became taut.calculate:the speed of the tractor immediately the rope became taut, loose kinetic energy of the system just after the car ...
January 30, 2012 by Thank-God

Math
Please help me! I don't even know where to start :( my teacher took this question up on friday but i was sick, and we have a test tomorrow! -Car A travels from Barrie to Subuiry at an average speed of 90km/h -Car B travels from Subury to Barrie at an average speed of 80km/h -...
March 7, 2010 by Dawn

physics
A 3.1 ◊ 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 19.5◦ with the horizontal. An average frictional force of 4.4◊103 N impedes the carís motion so that the carís speed at the bottom of the driveway is 4.9 m/s. The acceleration...
October 17, 2013 by Anonymous

Physics
A 4.0 ◊ 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 19.6◦ with the horizontal. An average frictional force of 4.0◊103 N impedes the carís motion so that the carís speed at the bottom of the driveway is 4.9 m/s. The acceleration...
December 6, 2013 by Artemis

physics
A 0.500 kg is thrown vertically upward from the ground with an initial speed of 12.0 m/s. Define the initial potential energy to be zero on the ground. What are the potential energy and kinetic energy of the ball at 2.50m above the initial position?
November 8, 2012 by Jeff

Physics
The (nonconservative) force propelling a 1.50E3 kg car up a mountain road does 4.70E6 j of work on the car. The car starts from rest at sea level and has a speed of 27.0 m/s at an altitude of 2.00E2 m above sea level. Obtain the work done on the car by the combined forces of ...
December 9, 2012 by Matoro

Physics
A race car can be slowed with a constant acceleration of -11 m/s^2 a. If the car is going 55 m/s, how many meters will it travel before it stops? b. How many meters will it take to stop a car going twice as fast? According to one of the teachers this is what they stated A. ...
December 28, 2009 by Priscilla

Physics
A charged particle is moving downward with an initial speed of 5 ◊ 106m/s when it encounters a uniform magnetic field that points east to west. (a) If the initial force on the particle is to the north, is the particle positive or negative? (b) If B = .25 T and the particle has...
March 21, 2013 by Lindsey

Physics
Hi everyone, finished all my utexas physics homework, save this last question... I don't quite why I'm not getting the right answer. Any help offered will be appreciated, it could lead me to the right answer :) P.S.---- I've already imputed the following four answers which ...
October 24, 2010 by Kyle

Physics
Hi everyone, finished all my utexas physics homework, save this last question... I don't quite why I'm not getting the right answer. Any help offered will be appreciated, it could lead me to the right answer :) P.S.---- I've already imputed the following four answers which ...
October 24, 2010 by Kyle

Physics
A hollow sphere of radius 0.30 m, with rotational inertia I = 0.080 kg m2 about a line through its center of mass, rolls without slipping up a surface inclined at 19į to the horizontal. At a certain initial position, the sphere's total kinetic energy is 70 J. (a) How much of ...
October 21, 2009 by Mario

physics
A hollow sphere of radius 0.30 m, with rotational inertia I = 0.072 kg m2 about a line through its center of mass, rolls without slipping up a surface inclined at 25į to the horizontal. At a certain initial position, the sphere's total kinetic energy is 45 J. (a) How much of ...
January 5, 2011 by Joey

physics
A driver of a car traveling at 14.2 m/s applies the brakes, causing a uniform deceleration of 2.0 m/s 2 . How long does it take the car to accelerate to a final speed of 10.7 m/s? Answer in units of s. 002 (part 2 of 2) 10.0 points b) How far has the car moved during the...
March 31, 2011 by Anonymous

physics
A truck of mass 2000kg travelling due south collides at an intersection with a car of mass 1200kg travelling due east. The car and truck become entangled and move off to the south-east. The truck driver claims to have been travelling at exactly 60km/hr(the speed limit) just ...
April 13, 2012 by Lycra

physics
suppose a treadmill has an average acceleration of 4.7 x 10^-3 m/s^2. a. how much does its speed change after 5.0 min? b. if the treadmill's initial speed is 1.7 m/s, what will its final speed be?
September 3, 2010 by Ally

Algebra
The value of almost everything you own, such as a car, computer, or appliance, depreciates over time. When the value decreases by a fied amount each year, the depreciation is called straight-line depreciation. Suppose your car has an initial value of $16,750 and depreciates $...
March 12, 2012 by kim

physics
A satellite that is spinning clockwise has four low-mass solar panels sticking out as shown; the mass of the satellite is 750 kg. A tiny meteor of mass 2 kg traveling at high speed rips through one of the solar panels and continues in the same direction but at reduced speed. ...
June 9, 2011 by Daiyo

Physics
At the 18th green of the US Open, Tiger Woods needs to make a 20.5 ft (6.25 m) birdie putt to win the tournament. When he hits the ball, giving it an initial speed of 1.57 m/s, it stops 6.0 ft. (1.83 m) short of the hole. Assume the deceleration caused by the grass is constant...
September 15, 2013 by Tonya

Physics
Consider a roller coster car moving along a track from point A to point B to point C. a)if the roller coaster car starts from rest at point A (30m above the bottom of a dip (point b). What would be the speed of the car at the top of the next hill (point C), which is 20 m above...
October 17, 2007 by Andrea

Physics
Attempting to stop on a slippery road, a car moving at 90 km/h skids across the road at a 30 angle to its initial motion, coming to a stop in 3.8s. Determine the average acceleration in m/s^2, using a coordinate system with the x-axis in the direction of the car's original ...
March 27, 2013 by James Baker

physics
A sports car of mass 950kg (including the driver) crosses the rounded top of a hill (radius = 95m) at 22m/s. Determine a) the normal force exerted by the road on the car, b) the normal force exerted by the car on the 72kg driver, and c) the car speed at which the normal force ...
November 3, 2009 by Sasha

physics
A car is designed to get its energy from a rotating flywheel with a radius of 1.50 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4000 rev/min. (a) Find the kinetic energy stored in the ...
March 17, 2010 by mike

Physics
The speedometer of your car shows that you are traveling at a constant speed of 35 m/s. Is it possible that your car is accelerating? yes no If so, explain how this could happen. see the above post.
March 20, 2007 by Mary

physics
A car is traveling with a constant speed 80 miles per hour a road that makes half a circle. What is the average velocity of the car?
May 24, 2010 by ray

physics
A car enters the freeway with a speed of 6.5 m/s and accelerates uniformly for 3.5 km in 3.9 min. How fast is the car moving after this time? Answer in units of m/s.
September 18, 2010 by Anonymous

physics
A car moving at 10m/s when it begins to be accelerated at 2.5m/s^2. (a)How long does the car take to reach a speed of 25m/s? (b) How far does it go during this period
January 27, 2011 by Ashley

physics
A car is traveling a road that includes two sides of an equilateral triangle with a constant speed s. What is the magnitude of the average velocity v of the car?
March 8, 2011 by sandhu

physics
if a car drives over a hill with a radius of 57 meters. At what maximum speed can the car travel without flying off the road
April 28, 2011 by Wendy

Physic
A race car makes two and a half laps around a circular track in 4.5 min. What is the car's average angular speed?
May 8, 2011 by Anonymous

physics
a car enters the freeway with a speed of 5.6 m/s and accelerates uniformly for 2.7 km in 3.0 minutes.How fast is the car moving after this time? answer in units of m/s
September 18, 2011 by jane

Physics
a car leaves skid marks 84 m long on the highway. Assuming a deceleration of 7.50 m/s2, estimate the speed of the car just before braking.
September 19, 2011 by Shay

Physics
A car enters the freeway with a speed of 6.7 m/s and accelerates uniformly for 3.0 km in 3.8 min. How fast is the car moving after this time? Answer in units of m/s
September 25, 2012 by Lily

physics
A car enters the freeway with a speed of 6.9 m/s and accelerates uniformly for 3.3 km in 2.8 min. How fast is the car moving after this time? Answer in units of m/s
January 17, 2013 by Anonymous

Physics
If the odometer on the car reads 25.0 km at the beginning of a trip and 65.0 km a half hour later, what is the average speed of the car? (Remember significant digits.)
June 13, 2013 by Isis

Physics
A car enters the freeway with a speed of 5 . 6 m/s and accelerates uniformly for 3.6 km in 2.7 min. How fast is the car moving after this time? Answer in units of m / s
October 9, 2013 by Sydney

math
if a car Tyre has a 20 inch radius, how many revolutions per second would this car have to generate to arrive at 150 km/h speed.
July 12, 2014 by wandile

energy conservation
A car that is initially at rest at the top of a roller-coaster track moves down the track without friction. What must be the maximm initial height from which the car descends so that it will not fly off the 10-m-high circular hill at the bottom?
December 7, 2010 by Shelby

physics
Figure 8-31 shows a ball with mass m = 1.0 kg attached to the end of a thin rod with length L = 0.56 m and negligible mass. The other end of the rod is pivoted so that the ball can move in a vertical circle. (a) What initial speed must be given the ball so that it reaches the ...
February 18, 2008 by dawn

physics
A car travels from city a to city b at a constant speed of 60 km/h.A bus leaves city a 1h after the car and catches it as it enters city b.the distance betwen ehe cities is 240 km.what is the speed of the bus{assumed to be constant] during its journey
December 17, 2011 by faisal

physics
Two arrows are shot vertically upward. The second arrow is shot after the first one, but while the first is still on its way up. The initial speeds are such that both arrows reach their maximum heights at the same instant, although these heights are different. Suppose that the...
August 26, 2012 by Anonymous

Physics
Two arrows are shot vertically upward. The second arrow is shot after the first one, but while the first is still on its way up. The initial speeds are such that both arrows reach their maximum heights at the same instant, although these heights are different. Suppose that the...
August 31, 2012 by Marissa

physics
Two arrows are shot vertically upward. The second arrow is shot after the first one, but while the first is still on its way up. The initial speeds are such that both arrows reach their maximum heights at the same instant, although these heights are different. Suppose that the...
September 5, 2012 by Tracie

Physics
A 930 kg sports car collides into the rear end of a 2500 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.6 m before stopping. The police officer, knowing that the coefficient of kinetic friction between tires and road is ...
October 24, 2010 by Eden

Physics
A 930 kg sports car collides into the rear end of a 2500 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.6 m/s before stopping. The police officer, knowing that the coefficient of kinetic friction between tires and road ...
October 26, 2010 by Eden

Science
Please I really need help!!! Question- Car A travels from New York to Miami at a speed of 25m/s. Car B travels from New York to Chicago, also at a speed of 25m/s. Are the velocities of the cars equals? Explain.
August 28, 2011 by Riku

physics
A car travels from city a to city b at a constant speed of 60 km/h.A bus leaves city a 1h after the car and catches it as it enters city b.the distance betwen the cities is 240 km.what is the speed of the bus{assumed to be constant] during its journey
December 17, 2011 by faisal

PHYICS
A car moving with constant speed in a circular path experience a centripetal acceleration if speed of car increases by three factors but the circular path remain same.What is the new centripetal acceleration in term of original ac?
February 15, 2014 by Pawan

DrBob222
How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than when the car is stationary? The speed of sound is 343 m/s. I don't know what equation to use. I think I'm suppose to use this: fs(v-vd/v-vs) I know I got it wrong I got 11.8 m/s
April 5, 2008 by Jon

algebra 2
A car enters an interstate highway 15 mi north of a city.The car travels due north at an average speed of 62.5 mi/h.Write an equation to model the carís distance d from the city after traveling for h hours. Graph the equation
October 12, 2012 by aia

physics
A car travels a distance of 100m per second with a constant acceleration and average velocity of 20m per second .The final velocity acquired by the car is 25m per second .Find The initial velocity and acceleration of car
July 2, 2013 by Anonymous

physics
A car travels a distance of 100m per second with a constant acceleration and average velocity of 20m per second .The final velocity acquired by the car is 25m per second .Find The initial velocity and acceleration of car
July 2, 2013 by Anonymous

physics
A car travels a distance of 100m per second with a constant acceleration and average velocity of 20m per second .The final velocity acquired by the car is 25m per second .Find The initial velocity and acceleration of car
July 2, 2013 by Anonymous

PHYSICS HELPPPP
A loaded ore car has a mass of 880 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine shaft by a cable connected to a winch. The shaft is inclined at 28.0į above the horizontal. The car accelerates uniformly to a speed of 2.20 m/s in 11...
December 5, 2008 by john

Physics
At the instant the traffic light turns green, a car that has been waiting at an intersection starts ahead with a constant acceleration of 2.85m/s^2. At the same instant a truck, traveling with a constant speed of 19.0m/s, overtakes and passes the car. A) How far beyond its ...
July 9, 2011 by Arthur

Algebra 2
Story problems are my favorite. However, I can not figure this one out. THe stopping distance d of a car after the breaks are applied varies directly as the square of the speed r. If a car traveling at 70mph can stop in 270 ft. How many feet will it take the same car to stop ...
August 3, 2010 by Christy

pPhysics for life scince
4.The brakes are applied at the end of the 100s and the car comes to a stop within 20m, slowing down at a constant rate. What is acceleration? 5.Now the car turns back and its speed increases at 5m/s^2 for 7s. What is its speed at the end of 7th second? What its velocity at ...
March 23, 2010 by Simeon

Physics
A 3.5 ◊ 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 16.9◦ with the horizontal. An average frictional force of 4.1◊103 N impedes the carís motion so that the carís speed at the bottom of the driveway is 4.2 m/s. The acceleration...
October 17, 2013 by Willow

Physics
A 3.5 ◊ 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 16.9◦ with the horizontal. An average frictional force of 4.1◊103 N impedes the carís motion so that the carís speed at the bottom of the driveway is 4.2 m/s. The acceleration...
October 17, 2013 by Willow

Physics
A 3.5 ◊ 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 16.9◦ with the horizontal. An average frictional force of 4.1◊103 N impedes the carís motion so that the carís speed at the bottom of the driveway is 4.2 m/s. The acceleration...
October 17, 2013 by Willow

Physics
What is the final speed of a car if it starts at 32 m/s and loses 1800J of energy? I think the equation should be: 0.5m(32)^2 - 1800J = 0.5mv^2 where m = mass of the car v = final speed. Since there is only one equation with 2 unknown, I can only solve it to: v = (1024 - 3600/...
November 11, 2008 by Angus

Physics
A book whose mass is 3 kg is projected up a long 40 degree incline with an initial speed of 25 m/s The coefficient of kinetic friction between the book and the Mane is 0.20. a. Find the magnitude of the friction force acting on the book as it moves up the plane. b. For how ...
November 19, 2006 by QT

Relative Uncertainty
As before, they make measurements to determine the initial speed. This time they find the initial speed to be 3.26 m/s with a relative uncertainty of 2.5% What is predicted range? I got that it's 108.444 What is the uncertainty in the predicted range? This is whats getting me.
September 23, 2009 by Sarah

Physics
A car that weighs 14900.0 N is initially moving at a speed of 57.0 km/hr when the brakes are applied and the car is brought to a stop in 4.8 s. Find the magnitude of the force that stops the car, assuming it is constant. I found a using Vf=vi+at...a = 11.88 m/s^2. Then I found...
November 26, 2007 by Lindsay

physics
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4,000 rev/min. (a) Find the kinetic energy ...
November 30, 2012 by monic

physics
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 600 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4,000 rev/min. (a) Find the kinetic energy ...
December 2, 2012 by heather

Algebra
Joseph wanted to throw a ball to John who was on a balcony 32 feet above him,so he tossed it upward with an initial speed of 48ft/sec. John missed it on the way up but caught it on the way down. How long was the ball in the air? What was its maximum height? (use h= vt=16t^2)to...
January 2, 2011 by Rosa

Physics
A CAR HAS A MASS OF 1200KG TRAVELLING ON A LEVEL ROAD. THE CAR DECELERATED AT A RATE OF 10M/S^2 TILL THE CAR STOPPED. iT HAS TO OVERCOME A TOTAL RESISTANCE OF 400N WHILE BRAKING. (I) CALCULATE THE BRAKING FORCE OF THE CAR (II) WHAT WAS THE DRIVING OF CAR OF THE CAR?
June 17, 2011 by Janice

physics
A little red wagon with mass 8.00 moves in a straight line on a frictionless horizontal surface. It has an initial speed of 3.80 and then is pushed 4.7 in the direction of the initial velocity by a force with a magnitude of 10.0 .
April 11, 2013 by Anonymous

physics
A car travelling at a constant speed of 136 km/hr passes a tropper hidden behind a billboard. One second after the speeding car passes the billboard, the tropper sets in a chase after the car wit ha constant acceleration of 3.8 m/s^2. How far does the trooper travel before he ...
September 29, 2011 by nikki

Physics; help please :)
A car A moves to the left with speed 40 km/h(with respect to the road). Another car (B) moves to the right with speed 60 km/h (also with respect to the road). Find the relative velocity of B with respect to A.
September 24, 2013 by Celine

Intergated chemistry/physics
A parachute on a dragster racing-car opens and changes the speed of a car from 85 meters/second to 45 meters/second. Of this car is decelerating (slowing down) at a rate of -8.9 meters/ second, how many seconds will this take?
October 3, 2012 by Laura

Physics
A 1500kg car travels at a constant speed of 22 m/s around a circular track that has a radius of 85 m. What is the average velocity of the car during one revolution?
October 30, 2008 by Sandhya

11th grade Physics
A car does 6.0 104 J of work in traveling 2.6 km at constant speed. What was the average retarding force (from all sources) acting on the car?
February 13, 2010 by Luricela

physics
A small toy car is moving around a circular path once in every 8 sec. The radius of track is 3m. find speed of car.
June 12, 2010 by Anonymous

physics
A 1500-kg car is making a turn with a 100.0-m radius on a road where the coefficient of static friction is 0.70. What is the maximum speed the car can go without skidding?
November 7, 2010 by jane

Math
r=40-2t shows the relationship between the average rate of speed, r, of a car in meters per second, and the time, t,in seconds, as the car slows down.
February 26, 2012 by annie

phy science
a 20,000kg railroad car is traveling at 3m/s when it collides and couples with a second, identical car at reat. What is the resulting speed of the combined cars?
June 21, 2012 by amy

physics
A certain car is capable of accelerating at a uniform rate of 0.93 m/s2. What is the magnitude of the carís displacement as it accelerates uniformly from a speed of 86 km/h to one of 98 km/h? Answer in units of m
November 11, 2012 by Anne

physics
A certain car is capable of accelerating at a uniform rate of 0.84 m/s 2 . What is the magnitude of the carís displacement as it accelerates uniformly from a speed of 84 km/h to one of 97 km/h? Answer in units of m
December 13, 2012 by Anonymous

physics
A car of 1500 kg mass moving with constant speed 10m/s for 10s . Calculate the average force acting on the car during this time
April 29, 2013 by saber

Physical Science
A 20,000 kg railroad car is traveling at 3 m/s when it collides and couples with a second, identical car at rest. What is the resulting speed of the combined cars?
September 24, 2013 by Jenna V

physics
A car enters the freeway with a speed of 6.4 m/s and accelerates uniformly for 2.9 km in3.4 min. How fast is the car moving after this time? Answer in units of m/s
October 1, 2013 by Randall

physics-important fast
A 1532.9 kg car traveling with a speed of 12.7 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 50.4 m?
December 13, 2013 by jack

Physics
A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.6 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 0.8 s before Kathy. If Stan moves with...
March 28, 2012 by Dave

Physics
A car is traveling along a straight road at a velocity of +31.0 m/s when its engine cuts out. For the next ten seconds, the car slows down further, and its average acceleration is a1. For the next five seconds, the car slows down further, and its average acceleration is a2. ...
November 30, 2008 by Sara

Physics
Please Help!!! A 920 kg sports car collides into the rear end of a 2300 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.5 m before stopping. The police officer, knowing that the coefficient of kinetic friction between ...
April 17, 2011 by Brittney

Physics
A race driver has made a pit stop to refuel. After refueling, he leaves the pit area with an acceleration whose magnitude is 6.0m/s 2 . After 4.0s he enters the main speedway. At the same instant, another car on the speedway and traveling at a constant speed of 70 m/s ...
January 6, 2010 by Harry

Physics
Need Help with physics! Two cars drive on a straight highway. At time t = 0, car 1 passes mile marker 0 traveling due east with a speed of 17.0 m/s. At the same time, car 2 is 1.3 km east of mile marker 0 traveling at 30.0 m/s due west. Car 1 is speeding up with an ...
October 4, 2012 by Brandon

Physics
A 1100 kg car is moving toward the north along a straight road at a speed of 20.0 m/s. The driver applies the brakes and the car comes to rest in a distance of 140 m. (a) If the road is completely level, what is the constant force applied to the car to bring it to rest? (...
September 16, 2010 by Phil

Physics
A projectile is shot from the ground at an angle of 60 degrees with respect to the horizontal, and it lands on the ground 5 seconds later. Find: a. the horizontal component of initial velocity b. the vertical component of initial velocity c. initial speed
November 22, 2011 by nam maurer

Physics
A projectile is shot from the ground at an angle of 60 degrees with respect to the horizontal, and it lands on the ground 5 seconds later. Find: a. the horizontal component of initial velocity b. the vertical component of initial velocity c. initial speed
November 23, 2011 by nam maurer

physics
hi,need help please.thank. A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 2.00 m and a mass of 525 kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 4000 rev/min. (a...
November 22, 2009 by Chan

physics
A car is behind a truck going 23.0 m/s on the highway. The driver looks for an opportunity to pass, guessing that his car can accelerate at 2.2 m/s2, and he gauges that he has to cover the 24.0 m length of the truck, plus 10 m clear room at the rear of the truck and 10 m more ...
May 13, 2007 by micole

Physics
I fire a tennis ball from an air cannon, straight up from ground level, at initial speed v0. At the instant it reaches the top of its trajectory, I fire a second tennis ball at the same initial speed. Air resistance is negligible. At what fraction of the maximum height reached...
February 10, 2011 by Cecille

Physics
I fire a tennis ball from an air cannon, straight up from ground level, at initial speed v0. At the instant it reaches the top of its trajectory, I fire a second tennis ball at the same initial speed. Air resistance is negligible. At what fraction of the maximum height reached...
February 12, 2011 by Cecille

Physics
when driving at night at a speed of 80 km/hr, a deer suddenly appeared and frozen in your head light. The distance between your car and the deer was 45 meters at the moment you start to break your car as hard as possible in order to avoid the accident Assume that you could ...
September 1, 2012 by lala

physics
a ball is thrown at an initial angle of 37 and initial velocity of 23.0 m/s reaches a maximum height h, as shown in the Figure. With what initial speed must a ball be thrown straight up to reach the same maximum height h?
January 3, 2011 by Anonymous

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