Find the speed of the ball just before it strikes the ground

Reference no: EM13495004

A baseball is thrown from the roof of 20.4m -tall building with an initial velocity of magnitude 13.9m/s and directed at an angle of 50.6 degrees above the horizontal.

(A) What is the speed of the ball just before it strikes the ground? Use energy methods and ignore air resistance.

(B) What is the answer for part (A) if the initial velocity is at an angle of 50.6 degrees below the horizontal?

Reference no: EM13495004

Questions Cloud

What must the initial displacement of the glider be : A glider with mass m = 0.240 kg sits on a frictionless horizontal air track, connected to a spring with force constant k= 5.00 N/m. What must the initial displacement of the glider be if its maximum speed in the subsequent motion is to be 3.00 m/s

Compute the equilibrium dissociation constant : A buffer solution with a pH of 5.28 has a molar ratio of anion to acid of 3.40. Calculate the equilibrium dissociation constant (Ka).

Global marketing on samsung electronics : Organization Samsung Electronics Co.Ltd In one slide max four images meaningful and which reasons - Presentation is GLOBAL MARKETING on Samsung Electronics

Evaluate the solubility product constant for srso4 : The molarity of SO42- in a saturated solution of SrSO4 was determined to be 0.000500 M. Calculate the solubility product constant (Ksp) for SrSO4. SrSO4 (s) Sr2+ (aq) + SO42- (aq) Molar Mass (g/mol) SrSO4 183.68

Find the speed of the ball just before it strikes the ground : A baseball is thrown from the roof of 20.4m -tall building with an initial velocity of magnitude 13.9m/s, What is the speed of the ball just before it strikes the ground

Compute the solubility product constant for agbr : The solubility of AgBr was found to be 0.0000398 g per 300 mL of water. Calculate the solubility product constant (Ksp) for AgBr. AgBr (s) Ag+ (aq) + Br- (aq) Molar Mass (g/mol) AgBr 187.77c

Develop set of recommendations that could enhance strategy : Describe the elements of the existing brand and positioning strategy in the main body of the content. Evaluation of the present strategy employed by the organisation.

How to calculate the molarity of cu2+ : The solubility product constant (Ksp) for the dissolution of Cu(OH)2 as represented by the chemical equation is 2.6 x 10-19. Cu(OH)2 (s) Cu2+ (aq) + 2 OH- (aq) Calculate the molarity (M) of Cu2+ in a saturated solution of Cu(OH)2. Molar Mass (g/mo..

Explain 1-bromo-butane with naoch3 wouldnt that be an sn2 : 1-Bromo-butane with NaOCH3; wouldnt that be an Sn2 reaction? Since its a good nuc/base and it's a primary halide and it's non bulky.

User Account

All Pages