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Does a softball have a positive or negative acceleration when it is thrown?
When a softball is thrown, it has a positive acceleration because its velocity is increasing with time as it moves through the air.
A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?
In order for a body to escape the gravitational pull of the Earth, it needs to be thrown up with an initial velocity equal to or greater than the escape velocity of around 11.2 km/s. This velocity allows the object to overcome the gravitational pull of the Earth and continue traveling away from it indefinitely.
An object is thrown vertically upwards from the top of a tower of height 39.2 meters reach the ground in 4 secons Find the velocity with which it is thrown upwards?
To find the initial velocity with which the object is thrown upwards, we can use the kinematic equation for vertical motion: ( v = u + at ), where ( v ) is the final velocity (0 m/s at the highest point), ( u ) is the initial velocity, ( a ) is the acceleration due to gravity (-9.81 m/s²), and ( t ) is the time taken to reach the highest point (half the total time to reach the ground, so 2 seconds in this case). Rearranging the equation to solve for ( u ), we get ( u = v - at ). Plugging in the values, we get ( u = 0 - (-9.81 m/s² * 2 s) = 19.62 m/s ). Therefore, the object was thrown upwards with an initial velocity of 19.62 m/s.
What is the impact velocity of a rock thrown horizontaly from a cilff?
The impact velocity of a rock thrown horizontal from a cliff depends on two things, the initial speed of the rock (vi) and the height of the cliff (h). The final velocity (impact velocity) is represented by vfFor this formula, air resistance is neglected, and acceleration due to gravity is assumed to be 9.8 m/s2. The acceleration is positive here because down is being treated as the positive direction. You will get the same result if you use negative 9.8 m/s2 and make the height negative. sqr() means square root.vf = sqr(19.6h + vi2)For example if the rock was thrown off a 3 meter high cliff at 20 m/s, the impact velocity would be sqr(19.6 x 3 + 202), which would be sqr(58.8 + 202), which would be 21.42 m/s.The angle relative to the ground is the inverse tangent of sqr(19.6h)/viwhich in this case is tan-1( sqr(19.6 x 3)/20), which is tan-1(7.67/20) which is 21.0 degrees.
How do mitochondria have enough surface area to carry out cellular respiration?
The inner surface of mitochondria is thrown into folds called cristae which increase the surface area to a great extent.
Why would a baseball go higher if it were thrown from the surface of the Moon than if it were thrown with the same velocity from the surface of Earth?
because of 0 gravity
What is a baseball thrown with little velocity when the batter is expecting a fastball?
A baseball thrown with little velocity to fool a hitter is called a changeup. Also known as a change, changay or change-piece.
What would happen if the projectile were thrown with a greater velocity?
If the projectile is thrown with a greater velocity, it would travel further and potentially reach a higher peak height. The increased velocity would also result in a shorter flight time and the projectile hitting the ground with a greater impact force.
What is the velocity of a ball thrown upward at 16 feetsec?
The velocity of the ball is 16 feet/sec when it is thrown upward.
Curved path of an object thrown or launched on or near the surface of a planet?
The curved path of an object thrown or launched on or near the surface of a planet is called a trajectory. This trajectory is influenced by gravity, air resistance, and the initial velocity of the object. The shape of the trajectory can be parabolic for objects thrown horizontally, or elliptical for objects thrown at an angle.
What would happen if the projectile were thrown with greater velocity?
A projectile thrown with a greater velocity would travel a greater distance. Velocity is not just speed but direction as well.
What would happen if a projectile were thrown with greater velocity?
A projectile thrown with a greater velocity would travel a greater distance. Velocity is not just speed but direction as well.
What is the mass of a baseball thrown at 25ms resulting in a momentum of 10kgms?
Just use the definition of momentum, as mass x velocity. In this case, you need to divide the momentum by the velocity, to get the mass.
Find the velocity in meters per second of a baseball thrown 38m from third base in 1.7s?
To find the velocity of the baseball, we use the formula: velocity = distance / time. In this case, the distance is 38m and the time is 1.7s. Plugging in these values, we get velocity = 38m / 1.7s = 22.35 m/s. Therefore, the velocity of the baseball thrown from third base is 22.35 meters per second.
What would be the velocity of ball which is thrown by the man who running at the speed equal to the velocity of light?
As velocity never exceeds the velocity of light.... so i hope a man running with the velocity of light will not be able to throw a ball with any velocity.......... we may get the maximum n minimum velocity with which that can be thrown mathematically that we may get it to be zero................
What is the velocity of a ball thrown 20 ft in 4 seconds?
In the case of constant velocity (or speed), velocity = distance / time.
Find the velocity in meters per second of a baseball thrown 38 m from third base to first base in 1.7 s?
If you divide the distance 38 m by the time of travel 1.7 s, then the velocity of the baseball is 22.35 m/s toward first base.
